/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_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:24:29,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:24:29,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:24:29,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:24:29,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:24:29,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:24:29,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:24:29,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:24:29,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:24:29,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:24:29,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:24:29,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:24:29,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:24:29,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:24:29,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:24:29,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:24:29,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:24:29,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:24:29,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:24:29,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:24:29,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:24:29,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:24:29,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:24:29,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:24:29,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:24:29,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:24:29,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:24:29,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:24:29,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:24:29,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:24:29,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:24:29,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:24:29,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:24:29,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:24:29,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:24:29,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:24:29,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:24:29,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:24:29,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:24:29,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:24:29,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:24:29,434 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 02:24:29,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:24:29,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:24:29,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:24:29,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:24:29,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:24:29,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:24:29,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:24:29,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:24:29,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:24:29,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:24:29,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:24:29,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:24:29,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:24:29,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:24:29,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:24:29,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:24:29,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:24:29,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:24:29,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:24:29,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:24:29,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:24:29,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:24:29,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:24:29,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:24:29,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:24:29,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:24:29,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:24:29,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:24:29,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:24:29,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:24:29,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:24:29,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:24:29,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:24:29,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:24:29,982 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:24:29,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2020-10-27 02:24:30,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/714b6fad5/ecc5701710c040859ed4b9fbe1d17497/FLAG530249dec [2020-10-27 02:24:30,912 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:24:30,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2020-10-27 02:24:30,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/714b6fad5/ecc5701710c040859ed4b9fbe1d17497/FLAG530249dec [2020-10-27 02:24:31,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/714b6fad5/ecc5701710c040859ed4b9fbe1d17497 [2020-10-27 02:24:31,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:24:31,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:24:31,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:24:31,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:24:31,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:24:31,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:24:31" (1/1) ... [2020-10-27 02:24:31,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a28fcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:31, skipping insertion in model container [2020-10-27 02:24:31,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:24:31" (1/1) ... [2020-10-27 02:24:31,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:24:31,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:24:31,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:24:31,812 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:24:32,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:24:32,098 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:24:32,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32 WrapperNode [2020-10-27 02:24:32,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:24:32,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:24:32,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:24:32,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:24:32,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (1/1) ... [2020-10-27 02:24:32,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:24:32,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:24:32,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:24:32,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:24:32,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (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 02:24:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:24:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:24:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:24:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:24:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:24:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:24:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:24:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:24:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:24:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:24:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:24:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:24:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:24:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:24:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:24:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:24:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:24:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:24:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:24:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:24:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:24:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:24:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:24:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:24:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:24:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:24:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:24:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:24:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:24:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:24:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:24:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:24:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:24:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:24:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:24:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:24:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:24:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:24:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:24:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:24:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:24:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:24:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:24:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:24:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:24:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:24:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:24:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:24:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:24:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:24:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:24:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:24:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:24:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:24:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:24:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:24:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:24:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:24:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:24:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:24:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:24:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:24:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:24:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:24:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:24:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:24:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:24:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:24:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:24:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:24:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:24:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:24:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:24:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:24:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:24:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:24:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:24:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:24:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:24:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:24:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:24:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:24:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:24:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:24:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:24:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:24:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:24:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:24:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:24:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:24:35,210 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:24:35,210 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:24:35,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:24:35 BoogieIcfgContainer [2020-10-27 02:24:35,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:24:35,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:24:35,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:24:35,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:24:35,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:24:31" (1/3) ... [2020-10-27 02:24:35,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6425a9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:24:35, skipping insertion in model container [2020-10-27 02:24:35,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:32" (2/3) ... [2020-10-27 02:24:35,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6425a9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:24:35, skipping insertion in model container [2020-10-27 02:24:35,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:24:35" (3/3) ... [2020-10-27 02:24:35,227 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2020-10-27 02:24:35,240 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:24:35,246 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:24:35,260 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:24:35,306 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:24:35,307 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:24:35,307 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:24:35,307 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:24:35,307 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:24:35,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:24:35,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:24:35,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:24:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states. [2020-10-27 02:24:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 02:24:35,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:24:35,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:24:35,376 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 02:24:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:24:35,383 INFO L82 PathProgramCache]: Analyzing trace with hash 237625894, now seen corresponding path program 1 times [2020-10-27 02:24:35,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:24:35,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1478371821] [2020-10-27 02:24:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:24:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:36,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:36,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:38,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:40,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:40,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 02:24:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:24:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 02:24:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:24:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 02:24:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:24:42,285 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:24:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:24:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:42,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 02:24:42,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:24:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:42,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:24:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:42,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:42,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:42,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:24:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:42,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:42,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:24:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,776 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:24:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:24:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:42,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:42,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:42,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:24:42,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:24:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:24:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:42,998 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:24:42,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:43,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:24:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:24:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:24:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:24:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-27 02:24:43,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:24:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:43,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:43,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:24:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:24:43,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:24:43,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:24:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:43,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:43,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:24:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:24:43,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:24:43,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:24:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:43,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:43,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:43,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:43,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:24:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:43,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:43,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 02:24:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:43,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:43,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:43,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:43,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:43,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:43,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:24:43,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1478371821] [2020-10-27 02:24:43,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:24:43,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:24:43,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008633785] [2020-10-27 02:24:43,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:24:43,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:24:43,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:24:43,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:24:43,640 INFO L87 Difference]: Start difference. First operand 844 states. Second operand 8 states. [2020-10-27 02:24:45,727 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:24:46,260 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:47,586 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:48,928 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:24:49,835 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:54,368 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:57,040 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:27,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:27,782 INFO L93 Difference]: Finished difference Result 2460 states and 4273 transitions. [2020-10-27 02:25:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 02:25:27,785 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-27 02:25:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:27,834 INFO L225 Difference]: With dead ends: 2460 [2020-10-27 02:25:27,835 INFO L226 Difference]: Without dead ends: 1770 [2020-10-27 02:25:27,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:25:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2020-10-27 02:25:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1256. [2020-10-27 02:25:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-27 02:25:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2014 transitions. [2020-10-27 02:25:28,479 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2014 transitions. Word has length 94 [2020-10-27 02:25:28,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:28,481 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 2014 transitions. [2020-10-27 02:25:28,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:25:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2014 transitions. [2020-10-27 02:25:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 02:25:28,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:28,500 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:25:28,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:25:28,501 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 02:25:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1563382452, now seen corresponding path program 1 times [2020-10-27 02:25:28,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:28,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602064913] [2020-10-27 02:25:28,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:28,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:29,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:29,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:30,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:31,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:33,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:33,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 02:25:33,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-27 02:25:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,946 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:25:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 02:25:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:25:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:35,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:35,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,381 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,640 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:25:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:25:35,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:35,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:25:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:35,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:35,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-27 02:25:35,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:36,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:36,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:36,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:25:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:36,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:36,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:36,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:36,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:25:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:36,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:36,425 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:25:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 02:25:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:37,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:37,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:37,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:25:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:25:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 02:25:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:25:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:25:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 02:25:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:25:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 02:25:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:41,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:41,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:25:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:41,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:25:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:25:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:25:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:41,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:25:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 02:25:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:41,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,955 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 02:25:41,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602064913] [2020-10-27 02:25:41,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:25:41,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 02:25:41,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816375761] [2020-10-27 02:25:41,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:25:41,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:41,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:25:41,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:25:41,960 INFO L87 Difference]: Start difference. First operand 1256 states and 2014 transitions. Second operand 17 states. [2020-10-27 02:25:44,389 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:25:44,890 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:46,061 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:25:47,640 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:25:49,551 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:25:50,735 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:25:51,477 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 02:25:52,173 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:25:57,718 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:25:57,979 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:58,363 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:58,910 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:26:01,360 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:26:02,532 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:26:04,166 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:26:04,737 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:26:09,205 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 412 DAG size of output: 410 [2020-10-27 02:26:10,027 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2020-10-27 02:26:12,710 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 419 DAG size of output: 417 [2020-10-27 02:26:15,108 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 415 DAG size of output: 413 [2020-10-27 02:26:15,777 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-10-27 02:26:18,507 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-27 02:26:19,256 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-10-27 02:26:20,256 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-10-27 02:26:23,958 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:40,861 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:26:45,715 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2020-10-27 02:26:46,101 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:26:52,351 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:54,415 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-27 02:26:56,778 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:26:58,808 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-10-27 02:27:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:27:13,052 INFO L93 Difference]: Finished difference Result 5965 states and 10743 transitions. [2020-10-27 02:27:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 02:27:13,053 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 153 [2020-10-27 02:27:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:27:13,104 INFO L225 Difference]: With dead ends: 5965 [2020-10-27 02:27:13,105 INFO L226 Difference]: Without dead ends: 4743 [2020-10-27 02:27:13,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=948, Invalid=3212, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 02:27:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2020-10-27 02:27:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 3496. [2020-10-27 02:27:14,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3496 states. [2020-10-27 02:27:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 5629 transitions. [2020-10-27 02:27:14,135 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 5629 transitions. Word has length 153 [2020-10-27 02:27:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:27:14,136 INFO L481 AbstractCegarLoop]: Abstraction has 3496 states and 5629 transitions. [2020-10-27 02:27:14,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 02:27:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 5629 transitions. [2020-10-27 02:27:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 02:27:14,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:27:14,153 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:27:14,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:27:14,156 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 02:27:14,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:27:14,157 INFO L82 PathProgramCache]: Analyzing trace with hash -928973773, now seen corresponding path program 1 times [2020-10-27 02:27:14,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:27:14,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528938031] [2020-10-27 02:27:14,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:27:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:14,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:14,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:14,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:16,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:16,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:18,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:27:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 02:27:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:20,682 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:27:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:27:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:20,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:27:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:27:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:20,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:27:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:27:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:20,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:20,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:20,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:27:20,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:20,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:27:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:20,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:27:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:27:20,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,056 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:27:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:27:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:27:21,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:27:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,257 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:27:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:27:21,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:27:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:27:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:27:21,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:21,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:27:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:27:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:27:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:27:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:27:21,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:27:21,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:27:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:27:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:27:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:21,854 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:27:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 02:27:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:21,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:21,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 02:27:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:27:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-27 02:27:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:27:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 02:27:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:27:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:27:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:27:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:27:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:22,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:22,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:22,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:27:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:27:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:27:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:27:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:27:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:27:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:27:22,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:27:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:27:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:27:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:27:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:27:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:22,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:22,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:27:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:27:22,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:27:22,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:27:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 02:27:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:22,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:22,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:22,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:22,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 02:27:22,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528938031] [2020-10-27 02:27:22,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:27:22,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:27:22,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612318694] [2020-10-27 02:27:22,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:27:22,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:27:22,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:27:22,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:27:22,687 INFO L87 Difference]: Start difference. First operand 3496 states and 5629 transitions. Second operand 16 states. [2020-10-27 02:27:24,649 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:27:25,100 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:27:26,737 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:27:28,583 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:27:29,836 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:27:30,547 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:27:31,220 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:27:37,305 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:27:38,264 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:47,975 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:27:49,896 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:27:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:27:56,688 INFO L93 Difference]: Finished difference Result 8174 states and 14337 transitions. [2020-10-27 02:27:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 02:27:56,689 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 154 [2020-10-27 02:27:56,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:27:56,731 INFO L225 Difference]: With dead ends: 8174 [2020-10-27 02:27:56,731 INFO L226 Difference]: Without dead ends: 4700 [2020-10-27 02:27:56,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=275, Invalid=781, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 02:27:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2020-10-27 02:27:58,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 3526. [2020-10-27 02:27:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3526 states. [2020-10-27 02:27:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3526 states and 5653 transitions. [2020-10-27 02:27:58,100 INFO L78 Accepts]: Start accepts. Automaton has 3526 states and 5653 transitions. Word has length 154 [2020-10-27 02:27:58,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:27:58,101 INFO L481 AbstractCegarLoop]: Abstraction has 3526 states and 5653 transitions. [2020-10-27 02:27:58,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:27:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 5653 transitions. [2020-10-27 02:27:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 02:27:58,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:27:58,106 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:27:58,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:27:58,107 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 02:27:58,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:27:58,108 INFO L82 PathProgramCache]: Analyzing trace with hash -858659278, now seen corresponding path program 1 times [2020-10-27 02:27:58,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:27:58,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371290775] [2020-10-27 02:27:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:27:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:58,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:58,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:59,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:01,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:03,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 02:28:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:04,638 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:28:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 02:28:04,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:28:04,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:04,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:28:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:04,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:04,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:28:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:04,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:04,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:28:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:04,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:04,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:04,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,072 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:28:05,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:28:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:28:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,306 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:28:05,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:28:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:05,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:28:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-27 02:28:05,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:28:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:28:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:28:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:28:05,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:28:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:05,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:28:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:05,855 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:28:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 02:28:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:05,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:05,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:28:05,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 02:28:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:28:06,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:28:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:28:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:28:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:28:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:28:06,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:28:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:06,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:28:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 02:28:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:06,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:06,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:06,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:06,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:28:06,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 02:28:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:06,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:06,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:06,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:06,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:06,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 02:28:06,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371290775] [2020-10-27 02:28:06,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:28:06,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:28:06,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665747096] [2020-10-27 02:28:06,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:28:06,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:28:06,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:28:06,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:28:06,227 INFO L87 Difference]: Start difference. First operand 3526 states and 5653 transitions. Second operand 12 states. [2020-10-27 02:28:08,207 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:28:08,674 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:28:10,253 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 153