/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:24:41,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:24:41,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:24:41,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:24:41,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:24:41,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:24:41,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:24:41,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:24:41,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:24:41,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:24:41,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:24:41,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:24:41,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:24:41,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:24:41,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:24:41,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:24:41,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:24:41,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:24:41,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:24:41,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:24:41,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:24:41,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:24:41,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:24:41,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:24:41,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:24:41,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:24:41,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:24:41,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:24:41,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:24:41,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:24:41,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:24:41,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:24:41,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:24:41,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:24:41,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:24:41,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:24:41,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:24:41,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:24:41,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:24:41,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:24:41,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:24:41,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:24:41,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:24:41,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:24:41,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:24:41,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:24:41,314 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:24:41,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:24:41,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:24:41,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:24:41,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:24:41,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:24:41,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:24:41,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:24:41,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:24:41,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:24:41,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:24:41,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:24:41,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:24:41,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:24:41,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:24:41,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:24:41,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:24:41,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:24:41,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:24:41,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:24:41,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:24:41,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:24:41,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:24:41,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:24:41,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:24:41,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:24:41,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:24:41,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:24:41,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:24:41,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:24:41,751 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:24:41,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-27 02:24:41,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0de0e32f/dfd0eeb129594319a8825c6e28e44159/FLAGca695964c [2020-10-27 02:24:42,711 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:24:42,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product26.cil.c [2020-10-27 02:24:42,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0de0e32f/dfd0eeb129594319a8825c6e28e44159/FLAGca695964c [2020-10-27 02:24:42,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0de0e32f/dfd0eeb129594319a8825c6e28e44159 [2020-10-27 02:24:42,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:24:42,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:24:42,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:24:42,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:24:42,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:24:42,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:24:42" (1/1) ... [2020-10-27 02:24:42,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea8bca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:42, skipping insertion in model container [2020-10-27 02:24:42,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:24:42" (1/1) ... [2020-10-27 02:24:42,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:24:42,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:24:43,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:24:43,666 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:24:43,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:24:43,861 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:24:43,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43 WrapperNode [2020-10-27 02:24:43,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:24:43,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:24:43,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:24:43,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:24:43,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:43,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:43,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:43,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:43,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:44,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:44,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... [2020-10-27 02:24:44,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:24:44,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:24:44,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:24:44,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:24:44,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:24:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:24:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:24:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:24:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:24:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:24:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:24:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:24:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:24:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:24:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:24:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:24:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:24:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:24:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:24:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:24:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:24:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:24:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:24:44,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:24:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:24:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:24:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:24:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:24:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:24:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:24:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:24:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:24:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:24:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:24:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:24:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:24:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:24:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:24:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:24:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:24:44,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:24:44,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:24:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:24:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:24:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:24:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:24:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:24:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:24:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:24:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:24:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:24:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:24:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:24:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:24:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:24:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:24:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:24:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:24:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:24:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:24:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:24:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:24:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:24:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:24:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:24:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:24:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:24:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:24:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:24:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:24:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:24:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:24:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:24:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:24:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:24:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:24:46,881 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:24:46,882 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:24:46,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:24:46 BoogieIcfgContainer [2020-10-27 02:24:46,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:24:46,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:24:46,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:24:46,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:24:46,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:24:42" (1/3) ... [2020-10-27 02:24:46,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f69c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:24:46, skipping insertion in model container [2020-10-27 02:24:46,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:24:43" (2/3) ... [2020-10-27 02:24:46,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f69c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:24:46, skipping insertion in model container [2020-10-27 02:24:46,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:24:46" (3/3) ... [2020-10-27 02:24:46,912 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product26.cil.c [2020-10-27 02:24:46,940 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:24:46,954 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:24:46,982 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:24:47,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:24:47,020 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:24:47,020 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:24:47,020 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:24:47,021 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:24:47,021 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:24:47,021 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:24:47,021 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:24:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states. [2020-10-27 02:24:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 02:24:47,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:24:47,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:24:47,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:24:47,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:24:47,081 INFO L82 PathProgramCache]: Analyzing trace with hash 593560085, now seen corresponding path program 1 times [2020-10-27 02:24:47,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:24:47,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020012365] [2020-10-27 02:24:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:24:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:47,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:49,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:52,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 02:24:52,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:24:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 02:24:52,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:24:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 02:24:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:24:53,809 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:24:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:24:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:53,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:54,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-27 02:24:54,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:24:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:24:54,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:54,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:24:54,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:54,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:24:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:54,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:54,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:24:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:54,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:24:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:24:54,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:24:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:24:54,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:24:54,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:24:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:54,452 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:24:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:24:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:24:54,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 02:24:54,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:54,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:24:54,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:54,689 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:24:54,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:54,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:24:54,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:24:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:54,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:24:55,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:24:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-27 02:24:55,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:24:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:55,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:24:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:24:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:24:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:24:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:24:55,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:55,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:24:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:24:55,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:24:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:24:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:24:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:55,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:24:55,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:24:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:55,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:55,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:24:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:24:55,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:24:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:24:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:24:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:24:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 02:24:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:24:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:24:55,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:24:55,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:24:55,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:24:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:24:55,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:24:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:24:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:24:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:24:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:24:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:24:55,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020012365] [2020-10-27 02:24:55,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:24:55,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:24:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858055668] [2020-10-27 02:24:55,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:24:55,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:24:55,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:24:55,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:24:55,518 INFO L87 Difference]: Start difference. First operand 801 states. Second operand 8 states. [2020-10-27 02:24:57,475 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:24:57,890 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:59,097 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:59,875 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:25:01,474 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:06,173 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:25:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:27,676 INFO L93 Difference]: Finished difference Result 2322 states and 4093 transitions. [2020-10-27 02:25:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 02:25:27,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-27 02:25:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:27,735 INFO L225 Difference]: With dead ends: 2322 [2020-10-27 02:25:27,735 INFO L226 Difference]: Without dead ends: 1675 [2020-10-27 02:25:27,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:25:27,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-27 02:25:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1154. [2020-10-27 02:25:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-10-27 02:25:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1879 transitions. [2020-10-27 02:25:28,359 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1879 transitions. Word has length 94 [2020-10-27 02:25:28,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:28,360 INFO L481 AbstractCegarLoop]: Abstraction has 1154 states and 1879 transitions. [2020-10-27 02:25:28,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:25:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1879 transitions. [2020-10-27 02:25:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 02:25:28,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:28,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:25:28,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:25:28,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:25:28,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:28,379 INFO L82 PathProgramCache]: Analyzing trace with hash 245365809, now seen corresponding path program 1 times [2020-10-27 02:25:28,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:28,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869682106] [2020-10-27 02:25:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:30,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:31,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:31,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 02:25:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:25:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 02:25:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 02:25:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 02:25:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,499 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:25:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:34,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:34,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 02:25:34,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:34,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:34,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:34,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:34,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:34,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:34,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:34,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:34,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:34,991 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:25:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:35,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:25:35,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:35,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:35,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:35,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:35,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:35,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:25:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:25:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:25:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:35,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:25:35,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:35,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:25:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:35,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:35,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:25:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:35,994 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:25:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 02:25:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:40,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4884 [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:25:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:25:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:40,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:40,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:40,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:40,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:40,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:25:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:25:41,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:25:41,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:25:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:25:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:25:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:25:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:41,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:25:41,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869682106] [2020-10-27 02:25:41,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:25:41,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 02:25:41,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136252415] [2020-10-27 02:25:41,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:25:41,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:41,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:25:41,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:25:41,222 INFO L87 Difference]: Start difference. First operand 1154 states and 1879 transitions. Second operand 18 states. [2020-10-27 02:25:43,350 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:25:44,626 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:25:46,311 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:25:47,845 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:25:48,063 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:25:48,255 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:25:49,197 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:25:50,056 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:25:50,642 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:25:51,550 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:25:51,814 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:25:53,154 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:25:54,610 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:25:55,666 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:25:57,008 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:25:57,238 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:25:57,741 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:58,503 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:25:59,749 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:26:00,187 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:26:00,522 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:26:01,494 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:26:01,937 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:26:02,908 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:26:04,391 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:26:04,857 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:26:06,753 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:11,233 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:26:13,653 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:26:13,952 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:26:27,222 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:26:31,435 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:26:31,681 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 02:26:31,883 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 02:26:32,775 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:26:33,688 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:26:35,356 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:26:38,462 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:26:39,447 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:26:39,599 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:26:39,914 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:26:40,060 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:26:42,957 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:26:44,038 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:26:44,391 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:26:44,923 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 02:26:45,232 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:26:45,540 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:26:45,703 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:26:46,072 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:26:46,237 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:27:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:27:00,240 INFO L93 Difference]: Finished difference Result 5480 states and 10468 transitions. [2020-10-27 02:27:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-10-27 02:27:00,241 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 126 [2020-10-27 02:27:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:27:00,283 INFO L225 Difference]: With dead ends: 5480 [2020-10-27 02:27:00,283 INFO L226 Difference]: Without dead ends: 4356 [2020-10-27 02:27:00,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3251 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=1507, Invalid=7805, Unknown=0, NotChecked=0, Total=9312 [2020-10-27 02:27:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4356 states. [2020-10-27 02:27:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4356 to 3018. [2020-10-27 02:27:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3018 states. [2020-10-27 02:27:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 3018 states and 4907 transitions. [2020-10-27 02:27:01,136 INFO L78 Accepts]: Start accepts. Automaton has 3018 states and 4907 transitions. Word has length 126 [2020-10-27 02:27:01,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:27:01,137 INFO L481 AbstractCegarLoop]: Abstraction has 3018 states and 4907 transitions. [2020-10-27 02:27:01,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 02:27:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 4907 transitions. [2020-10-27 02:27:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:27:01,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:27:01,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:27:01,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:27:01,143 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:27:01,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:27:01,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1722136853, now seen corresponding path program 1 times [2020-10-27 02:27:01,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:27:01,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112095110] [2020-10-27 02:27:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:27:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:01,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:02,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:02,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:03,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:06,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:06,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 02:27:06,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:27:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 02:27:06,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:27:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:27:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 02:27:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,196 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:27:07,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:27:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:07,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 02:27:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:27:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:07,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:07,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:27:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:27:07,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:27:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:07,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:27:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:27:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:27:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,452 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:27:07,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:27:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:27:07,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 02:27:07,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:27:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:07,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:27:07,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:27:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:27:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:07,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:07,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:27:08,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:27:08,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-27 02:27:08,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:27:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:27:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:27:08,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:27:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:27:08,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:27:08,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:27:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:27:08,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:27:08,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:27:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:27:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:27:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:27:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:27:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:27:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:08,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:27:08,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:27:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:08,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:08,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:27:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:27:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:27:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:08,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,454 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:27:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 02:27:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:27:08,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:27:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-27 02:27:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:27:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:27:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:27:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:27:08,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:27:08,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:27:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:27:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:27:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:27:08,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:27:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:27:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:27:08,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:27:08,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:27:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:27:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:27:08,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:27:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:27:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 02:27:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:27:08,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:27:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:27:08,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:27:08,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:27:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:27:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 02:27:08,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112095110] [2020-10-27 02:27:08,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:27:08,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 02:27:08,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268976685] [2020-10-27 02:27:08,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:27:08,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:27:08,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:27:08,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:27:08,851 INFO L87 Difference]: Start difference. First operand 3018 states and 4907 transitions. Second operand 17 states. [2020-10-27 02:27:11,365 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:27:11,760 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:27:12,602 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:27:14,272 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:15,185 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:27:15,399 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:27:15,596 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:27:17,065 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:27:17,988 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:27:18,922 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:27:19,140 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:19,834 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:27:20,762 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:27:21,542 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:21,825 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:27:23,378 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:24,340 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:25,300 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:27:25,907 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:27:26,494 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:27,214 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:27:27,415 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 02:27:29,039 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:27:30,011 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:27:30,879 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:27:31,083 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 02:27:31,721 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:27:32,641 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:27:35,206 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:27:37,520 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:27:40,171 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:40,364 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:41,453 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:27:42,330 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:27:43,227 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:27:43,426 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:27:43,782 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:27:44,120 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:27:44,915 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:28:14,468 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:28:17,483 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:28:18,550 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:28:21,131 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112