/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec14_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:28:56,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:28:56,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:28:56,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:28:56,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:28:56,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:28:56,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:28:56,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:28:56,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:28:56,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:28:56,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:28:56,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:28:56,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:28:56,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:28:56,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:28:56,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:28:56,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:28:56,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:28:56,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:28:56,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:28:56,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:28:56,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:28:56,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:28:56,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:28:56,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:28:56,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:28:56,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:28:56,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:28:56,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:28:56,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:28:56,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:28:56,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:28:56,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:28:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:28:56,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:28:56,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:28:56,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:28:56,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:28:56,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:28:56,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:28:56,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:28:56,303 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 [2020-10-28 15:28:56,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:28:56,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:28:56,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:28:56,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:28:56,331 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:28:56,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:28:56,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:28:56,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:28:56,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:28:56,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:28:56,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:28:56,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:28:56,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:28:56,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:28:56,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:28:56,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:28:56,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:28:56,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:28:56,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:28:56,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:28:56,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:28:56,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:28:56,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:28:56,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:28:56,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:28:56,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:28:56,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:28:56,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:28:56,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:28:56,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:28:56,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:28:56,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:28:56,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:28:56,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:28:56,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:28:56,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product28.cil.c [2020-10-28 15:28:56,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536d8ab71/91cb7c03aa554b8b87b89c831f583cb2/FLAG1539331d2 [2020-10-28 15:28:57,789 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:28:57,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product28.cil.c [2020-10-28 15:28:57,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536d8ab71/91cb7c03aa554b8b87b89c831f583cb2/FLAG1539331d2 [2020-10-28 15:28:57,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/536d8ab71/91cb7c03aa554b8b87b89c831f583cb2 [2020-10-28 15:28:57,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:28:57,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:28:57,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:28:57,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:28:57,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:28:57,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:28:57" (1/1) ... [2020-10-28 15:28:57,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b999c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:57, skipping insertion in model container [2020-10-28 15:28:57,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:28:57" (1/1) ... [2020-10-28 15:28:57,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:28:58,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:28:58,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:28:58,815 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:28:59,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:28:59,097 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:28:59,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59 WrapperNode [2020-10-28 15:28:59,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:28:59,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:28:59,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:28:59,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:28:59,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (1/1) ... [2020-10-28 15:28:59,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:28:59,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:28:59,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:28:59,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:28:59,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (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 [2020-10-28 15:28:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:28:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:28:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:28:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:28:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:28:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:28:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:28:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:28:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-28 15:28:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:28:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:28:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:28:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:28:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:28:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:28:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:28:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:28:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:28:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:28:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:28:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:28:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:28:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:28:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:28:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:28:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:28:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:28:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:28:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:28:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:28:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:28:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:28:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:28:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:28:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:28:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:28:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:28:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:28:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:28:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:28:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:28:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:28:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:28:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:28:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:28:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:28:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:28:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:28:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:28:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:28:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:28:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:28:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:28:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:28:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:28:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:28:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:28:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:28:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:28:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:28:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:28:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:28:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:28:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:28:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:28:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:28:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-28 15:28:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-28 15:28:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:28:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:28:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:28:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:28:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:28:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:28:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:28:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:28:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:28:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:28:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:28:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:28:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:28:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:28:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:28:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:28:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:28:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:28:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:28:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:28:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:28:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:29:01,873 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:29:01,873 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:29:01,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:29:01 BoogieIcfgContainer [2020-10-28 15:29:01,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:29:01,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:29:01,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:29:01,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:29:01,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:28:57" (1/3) ... [2020-10-28 15:29:01,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c6eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:29:01, skipping insertion in model container [2020-10-28 15:29:01,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:28:59" (2/3) ... [2020-10-28 15:29:01,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c6eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:29:01, skipping insertion in model container [2020-10-28 15:29:01,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:29:01" (3/3) ... [2020-10-28 15:29:01,885 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product28.cil.c [2020-10-28 15:29:01,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:29:01,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:29:01,915 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:29:01,948 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:29:01,948 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:29:01,949 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:29:01,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:29:01,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:29:01,949 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:29:01,949 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:29:01,949 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:29:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states. [2020-10-28 15:29:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 15:29:01,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:29:01,999 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] [2020-10-28 15:29:02,000 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]=== [2020-10-28 15:29:02,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:29:02,006 INFO L82 PathProgramCache]: Analyzing trace with hash -283124902, now seen corresponding path program 1 times [2020-10-28 15:29:02,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:29:02,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849090281] [2020-10-28 15:29:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:29:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:02,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:03,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:04,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:07,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 15:29:07,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:29:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 15:29:07,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:07,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 15:29:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:29:08,638 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:29:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:08,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:08,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-28 15:29:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:08,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:29:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:29:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:08,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:08,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:29:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:08,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:08,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:08,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:08,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:08,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:08,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:29:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:08,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:29:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:08,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:08,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:08,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:08,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:08,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:08,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:08,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:09,124 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:29:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:29:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:09,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:29:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:29:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-10-28 15:29:09,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:09,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:29:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:09,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:09,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:29:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:29:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:10,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:29:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:29:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:10,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:10,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:29:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:29:10,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:29:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:10,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:10,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 15:29:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:10,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 15:29:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:10,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:10,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 15:29:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:10,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:10,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:10,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:10,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:10,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:29:10,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849090281] [2020-10-28 15:29:10,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:29:10,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:29:10,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001892729] [2020-10-28 15:29:10,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:29:10,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:29:10,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:29:10,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:29:10,239 INFO L87 Difference]: Start difference. First operand 771 states. Second operand 9 states. [2020-10-28 15:29:12,288 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:29:14,292 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:29:15,588 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:29:16,773 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:29:23,343 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:29:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:29:34,860 INFO L93 Difference]: Finished difference Result 1473 states and 2489 transitions. [2020-10-28 15:29:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:29:34,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-28 15:29:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:29:34,892 INFO L225 Difference]: With dead ends: 1473 [2020-10-28 15:29:34,892 INFO L226 Difference]: Without dead ends: 848 [2020-10-28 15:29:34,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:29:34,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-10-28 15:29:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 613. [2020-10-28 15:29:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-10-28 15:29:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 966 transitions. [2020-10-28 15:29:35,289 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 966 transitions. Word has length 88 [2020-10-28 15:29:35,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:29:35,291 INFO L481 AbstractCegarLoop]: Abstraction has 613 states and 966 transitions. [2020-10-28 15:29:35,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:29:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 966 transitions. [2020-10-28 15:29:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 15:29:35,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:29:35,307 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] [2020-10-28 15:29:35,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:29:35,307 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]=== [2020-10-28 15:29:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:29:35,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1346674731, now seen corresponding path program 1 times [2020-10-28 15:29:35,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:29:35,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196222664] [2020-10-28 15:29:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:29:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:35,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:35,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:40,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:40,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-28 15:29:40,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:29:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 15:29:40,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:40,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 15:29:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,595 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:29:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:41,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:41,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:29:41,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:29:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:29:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:29:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:41,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:41,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:41,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:29:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:41,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:41,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:41,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:41,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:29:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:41,929 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:29:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:29:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:29:42,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:29:42,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 816 [2020-10-28 15:29:42,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:29:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:29:42,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:29:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:42,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:42,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 15:29:42,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:29:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:42,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:42,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:29:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:42,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:29:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:29:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:29:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:29:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:42,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:29:42,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:29:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:29:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:42,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:29:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:29:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:29:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:29:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 15:29:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:42,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:29:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:29:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 15:29:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:42,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:42,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:29:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:42,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:29:43,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196222664] [2020-10-28 15:29:43,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:29:43,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:29:43,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031731650] [2020-10-28 15:29:43,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:29:43,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:29:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:29:43,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:29:43,056 INFO L87 Difference]: Start difference. First operand 613 states and 966 transitions. Second operand 9 states. [2020-10-28 15:29:45,095 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:29:46,797 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:29:48,061 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:29:49,231 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:29:55,692 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:30:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:30:08,611 INFO L93 Difference]: Finished difference Result 1434 states and 2416 transitions. [2020-10-28 15:30:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:30:08,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-28 15:30:08,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:30:08,637 INFO L225 Difference]: With dead ends: 1434 [2020-10-28 15:30:08,637 INFO L226 Difference]: Without dead ends: 853 [2020-10-28 15:30:08,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:30:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-10-28 15:30:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 618. [2020-10-28 15:30:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-28 15:30:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 971 transitions. [2020-10-28 15:30:08,895 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 971 transitions. Word has length 89 [2020-10-28 15:30:08,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:30:08,898 INFO L481 AbstractCegarLoop]: Abstraction has 618 states and 971 transitions. [2020-10-28 15:30:08,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:30:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 971 transitions. [2020-10-28 15:30:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 15:30:08,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:30:08,902 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] [2020-10-28 15:30:08,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:30:08,903 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]=== [2020-10-28 15:30:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:30:08,904 INFO L82 PathProgramCache]: Analyzing trace with hash -688090378, now seen corresponding path program 1 times [2020-10-28 15:30:08,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:30:08,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964266142] [2020-10-28 15:30:08,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:30:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:09,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:10,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 15:30:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 15:30:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,153 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:30:15,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:30:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:30:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:15,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:15,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:30:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:15,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:15,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:30:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:30:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:15,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:15,462 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:30:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:30:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:15,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:15,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:30:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:16,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:30:16,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:16,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:30:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:30:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:30:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 15:30:16,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:30:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 15:30:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:16,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:30:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 15:30:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:16,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:16,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:16,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:16,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:16,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:30:16,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964266142] [2020-10-28 15:30:16,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:30:16,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:30:16,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455116256] [2020-10-28 15:30:16,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:30:16,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:30:16,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:30:16,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:30:16,373 INFO L87 Difference]: Start difference. First operand 618 states and 971 transitions. Second operand 9 states. [2020-10-28 15:30:18,062 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:30:19,848 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:30:21,106 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:30:22,349 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:30:29,092 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:30:41,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:30:41,975 INFO L93 Difference]: Finished difference Result 1445 states and 2425 transitions. [2020-10-28 15:30:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:30:41,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-28 15:30:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:30:41,986 INFO L225 Difference]: With dead ends: 1445 [2020-10-28 15:30:41,986 INFO L226 Difference]: Without dead ends: 859 [2020-10-28 15:30:41,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:30:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-28 15:30:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 624. [2020-10-28 15:30:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-28 15:30:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 977 transitions. [2020-10-28 15:30:42,213 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 977 transitions. Word has length 90 [2020-10-28 15:30:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:30:42,213 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 977 transitions. [2020-10-28 15:30:42,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:30:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 977 transitions. [2020-10-28 15:30:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-28 15:30:42,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:30:42,215 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] [2020-10-28 15:30:42,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:30:42,216 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]=== [2020-10-28 15:30:42,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:30:42,217 INFO L82 PathProgramCache]: Analyzing trace with hash -360245497, now seen corresponding path program 1 times [2020-10-28 15:30:42,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:30:42,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868366703] [2020-10-28 15:30:42,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:30:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:42,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:47,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:47,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 15:30:47,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 15:30:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,466 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:30:48,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:48,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:48,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:48,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 15:30:48,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:48,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:30:48,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:30:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:48,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:48,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:48,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:30:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:48,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:30:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:48,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:48,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:30:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:48,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:48,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:30:48,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:48,809 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:30:48,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:30:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:48,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:48,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:30:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:30:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:49,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:30:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:49,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:30:49,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:30:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:30:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:30:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 15:30:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 15:30:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:49,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:49,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 15:30:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:49,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:49,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:30:49,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868366703] [2020-10-28 15:30:49,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:30:49,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:30:49,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149844515] [2020-10-28 15:30:49,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:30:49,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:30:49,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:30:49,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:30:49,698 INFO L87 Difference]: Start difference. First operand 624 states and 977 transitions. Second operand 9 states. [2020-10-28 15:30:52,076 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:30:53,723 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:30:54,960 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:30:56,157 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-28 15:31:02,831 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:31:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:15,255 INFO L93 Difference]: Finished difference Result 1458 states and 2436 transitions. [2020-10-28 15:31:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:31:15,256 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-28 15:31:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:15,266 INFO L225 Difference]: With dead ends: 1458 [2020-10-28 15:31:15,266 INFO L226 Difference]: Without dead ends: 866 [2020-10-28 15:31:15,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:31:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-28 15:31:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 631. [2020-10-28 15:31:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-10-28 15:31:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 984 transitions. [2020-10-28 15:31:15,474 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 984 transitions. Word has length 91 [2020-10-28 15:31:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:15,474 INFO L481 AbstractCegarLoop]: Abstraction has 631 states and 984 transitions. [2020-10-28 15:31:15,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:31:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 984 transitions. [2020-10-28 15:31:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 15:31:15,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:15,476 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] [2020-10-28 15:31:15,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:31:15,476 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-28 15:31:15,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:15,477 INFO L82 PathProgramCache]: Analyzing trace with hash 194065042, now seen corresponding path program 1 times [2020-10-28 15:31:15,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:15,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145560002] [2020-10-28 15:31:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:15,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:15,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:20,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:20,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 15:31:20,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,671 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:31:21,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:31:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:21,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:31:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:21,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:21,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:21,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:31:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:21,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:21,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:21,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:21,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:21,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:21,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:31:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:21,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:21,879 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:31:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:31:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:21,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:31:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:31:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:22,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:31:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:31:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:31:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:31:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:31:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:22,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:31:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:31:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 15:31:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 15:31:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:22,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 15:31:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:31:22,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145560002] [2020-10-28 15:31:22,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:31:22,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:31:22,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158891142] [2020-10-28 15:31:22,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:31:22,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:31:22,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:31:22,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:31:22,317 INFO L87 Difference]: Start difference. First operand 631 states and 984 transitions. Second operand 7 states. [2020-10-28 15:31:24,306 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:31:33,793 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:31:34,969 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:31:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:44,649 INFO L93 Difference]: Finished difference Result 1488 states and 2442 transitions. [2020-10-28 15:31:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 15:31:44,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-28 15:31:44,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:44,658 INFO L225 Difference]: With dead ends: 1488 [2020-10-28 15:31:44,658 INFO L226 Difference]: Without dead ends: 885 [2020-10-28 15:31:44,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:31:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-28 15:31:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 645. [2020-10-28 15:31:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-28 15:31:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1003 transitions. [2020-10-28 15:31:44,919 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1003 transitions. Word has length 92 [2020-10-28 15:31:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:44,919 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 1003 transitions. [2020-10-28 15:31:44,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:31:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1003 transitions. [2020-10-28 15:31:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 15:31:44,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:44,921 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] [2020-10-28 15:31:44,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:31:44,921 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-28 15:31:44,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:44,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1896669898, now seen corresponding path program 1 times [2020-10-28 15:31:44,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:44,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386588414] [2020-10-28 15:31:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:45,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:45,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:45,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:47,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:47,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:31:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,216 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:31:51,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:31:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:51,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:31:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:31:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:31:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,413 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:31:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:31:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:31:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:31:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:31:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:31:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:31:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 15:31:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:51,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 15:31:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:31:51,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 15:31:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 15:31:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 15:31:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:51,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:31:51,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386588414] [2020-10-28 15:31:51,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:31:51,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:31:51,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589654931] [2020-10-28 15:31:51,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:31:51,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:31:51,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:31:51,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:31:51,891 INFO L87 Difference]: Start difference. First operand 645 states and 1003 transitions. Second operand 7 states. [2020-10-28 15:31:53,726 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:03,129 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:04,276 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:32:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:32:12,138 INFO L93 Difference]: Finished difference Result 1468 states and 2383 transitions. [2020-10-28 15:32:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 15:32:12,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 15:32:12,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:32:12,149 INFO L225 Difference]: With dead ends: 1468 [2020-10-28 15:32:12,149 INFO L226 Difference]: Without dead ends: 885 [2020-10-28 15:32:12,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:32:12,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-28 15:32:12,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 645. [2020-10-28 15:32:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-28 15:32:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 998 transitions. [2020-10-28 15:32:12,342 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 998 transitions. Word has length 93 [2020-10-28 15:32:12,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:32:12,342 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 998 transitions. [2020-10-28 15:32:12,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:32:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 998 transitions. [2020-10-28 15:32:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:32:12,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:32:12,344 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] [2020-10-28 15:32:12,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:32:12,345 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-28 15:32:12,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:32:12,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2074651949, now seen corresponding path program 1 times [2020-10-28 15:32:12,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:32:12,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616770403] [2020-10-28 15:32:12,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:32:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:16,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:16,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 15:32:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:32:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,595 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:32:18,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:32:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:32:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:18,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:32:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:18,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:18,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:32:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:32:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:18,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:18,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:18,814 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:32:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:32:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:18,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:32:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:32:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:32:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:32:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:32:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:32:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:32:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:19,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 15:32:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:32:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 15:32:19,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:32:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 15:32:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:32:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:19,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:32:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:32:19,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616770403] [2020-10-28 15:32:19,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:32:19,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:32:19,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158709214] [2020-10-28 15:32:19,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:32:19,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:32:19,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:32:19,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:32:19,236 INFO L87 Difference]: Start difference. First operand 645 states and 998 transitions. Second operand 7 states. [2020-10-28 15:32:21,255 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:38,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:32:38,071 INFO L93 Difference]: Finished difference Result 1468 states and 2378 transitions. [2020-10-28 15:32:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:32:38,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-28 15:32:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:32:38,079 INFO L225 Difference]: With dead ends: 1468 [2020-10-28 15:32:38,079 INFO L226 Difference]: Without dead ends: 885 [2020-10-28 15:32:38,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:32:38,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-28 15:32:38,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 645. [2020-10-28 15:32:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-28 15:32:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 993 transitions. [2020-10-28 15:32:38,276 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 993 transitions. Word has length 94 [2020-10-28 15:32:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:32:38,276 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 993 transitions. [2020-10-28 15:32:38,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:32:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 993 transitions. [2020-10-28 15:32:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 15:32:38,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:32:38,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:32:38,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 15:32:38,278 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-10-28 15:32:38,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:32:38,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2060999995, now seen corresponding path program 1 times [2020-10-28 15:32:38,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:32:38,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081158912] [2020-10-28 15:32:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:32:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:38,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking...