/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=DEEPEST --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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:03:23,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:03:23,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:03:23,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:03:23,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:03:23,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:03:23,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:03:23,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:03:23,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:03:23,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:03:23,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:03:23,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:03:23,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:03:23,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:03:23,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:03:23,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:03:23,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:03:23,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:03:23,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:03:23,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:03:23,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:03:23,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:03:23,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:03:23,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:03:23,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:03:23,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:03:23,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:03:23,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:03:23,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:03:23,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:03:23,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:03:23,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:03:23,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:03:23,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:03:23,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:03:23,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:03:23,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:03:23,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:03:23,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:03:23,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:03:23,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:03:23,217 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 21:03:23,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:03:23,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:03:23,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:03:23,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:03:23,270 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:03:23,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:03:23,270 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:03:23,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:03:23,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:03:23,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:03:23,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:03:23,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:03:23,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:03:23,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:03:23,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:03:23,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:03:23,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:03:23,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:03:23,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:03:23,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:03:23,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:03:23,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:03:23,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:03:23,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:03:23,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:03:23,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:03:23,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:03:23,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:03:23,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:03:23,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:03:23,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:03:23,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:03:23,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:03:23,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:03:23,693 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:03:23,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-27 21:03:23,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eea33dff8/242bdde813cb40d480695a507294d9f1/FLAG7a9ac6cf2 [2020-10-27 21:03:24,547 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:03:24,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-27 21:03:24,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eea33dff8/242bdde813cb40d480695a507294d9f1/FLAG7a9ac6cf2 [2020-10-27 21:03:24,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eea33dff8/242bdde813cb40d480695a507294d9f1 [2020-10-27 21:03:24,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:03:24,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:03:24,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:03:24,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:03:24,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:03:24,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:03:24" (1/1) ... [2020-10-27 21:03:24,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4a1225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:24, skipping insertion in model container [2020-10-27 21:03:24,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:03:24" (1/1) ... [2020-10-27 21:03:24,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:03:24,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:03:25,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:03:25,593 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:03:25,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:03:25,871 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:03:25,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25 WrapperNode [2020-10-27 21:03:25,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:03:25,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:03:25,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:03:25,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:03:25,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:25,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:25,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:25,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:26,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:26,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:26,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (1/1) ... [2020-10-27 21:03:26,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:03:26,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:03:26,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:03:26,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:03:26,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (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 21:03:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:03:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:03:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:03:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:03:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:03:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:03:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 21:03:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 21:03:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 21:03:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 21:03:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 21:03:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 21:03:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 21:03:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 21:03:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 21:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 21:03:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 21:03:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 21:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 21:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 21:03:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:03:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 21:03:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 21:03:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 21:03:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 21:03:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 21:03:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 21:03:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:03:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:03:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:03:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:03:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 21:03:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 21:03:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 21:03:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 21:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 21:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 21:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 21:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 21:03:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 21:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 21:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 21:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 21:03:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 21:03:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 21:03:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 21:03:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 21:03:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 21:03:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 21:03:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 21:03:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 21:03:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 21:03:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 21:03:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 21:03:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 21:03:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:03:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:03:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:03:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:03:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:03:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:03:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:03:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:03:26,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:03:26,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:03:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:03:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:03:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:03:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:03:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:03:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 21:03:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:03:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 21:03:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 21:03:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 21:03:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:03:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:03:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:03:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:03:29,990 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:03:29,991 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 21:03:29,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:03:29 BoogieIcfgContainer [2020-10-27 21:03:29,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:03:29,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:03:29,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:03:30,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:03:30,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:03:24" (1/3) ... [2020-10-27 21:03:30,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498c860c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:03:30, skipping insertion in model container [2020-10-27 21:03:30,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:25" (2/3) ... [2020-10-27 21:03:30,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498c860c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:03:30, skipping insertion in model container [2020-10-27 21:03:30,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:03:29" (3/3) ... [2020-10-27 21:03:30,005 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product28.cil.c [2020-10-27 21:03:30,018 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:03:30,024 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:03:30,039 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:03:30,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:03:30,074 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:03:30,074 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:03:30,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:03:30,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:03:30,074 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:03:30,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:03:30,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:03:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states. [2020-10-27 21:03:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:03:30,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:03:30,129 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 21:03:30,129 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 21:03:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:03:30,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2101434187, now seen corresponding path program 1 times [2020-10-27 21:03:30,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:03:30,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451382553] [2020-10-27 21:03:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:03:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:30,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:31,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:31,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:35,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:35,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 21:03:35,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:03:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 21:03:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:03:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:03:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:03:38,134 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:03:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:38,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 21:03:38,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:03:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:38,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:38,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:03:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:38,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:38,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:03:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:38,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:38,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,720 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:03:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:03:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:03:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 21:03:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,976 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:03:38,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:38,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:38,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:38,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:03:38,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:03:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:03:39,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:39,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-27 21:03:39,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:03:39,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:03:39,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:03:39,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:39,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:03:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:03:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:03:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:03:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 21:03:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:03:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:03:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:39,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:03:39,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:03:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:03:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:03:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 21:03:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:03:39,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:03:39,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:03:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:39,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:03:39,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:39,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:03:39,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:39,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 21:03:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:39,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:39,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 21:03:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:39,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:39,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:39,840 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 21:03:39,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451382553] [2020-10-27 21:03:39,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:03:39,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:03:39,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821625081] [2020-10-27 21:03:39,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:03:39,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:03:39,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:03:39,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:03:39,871 INFO L87 Difference]: Start difference. First operand 829 states. Second operand 14 states. [2020-10-27 21:03:42,217 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:44,853 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:47,232 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:03:49,493 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:03:51,827 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:54,054 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:56,381 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:58,742 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:01,164 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:06,165 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:04:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:04:48,095 INFO L93 Difference]: Finished difference Result 1663 states and 2858 transitions. [2020-10-27 21:04:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 21:04:48,098 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-27 21:04:48,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:04:48,144 INFO L225 Difference]: With dead ends: 1663 [2020-10-27 21:04:48,145 INFO L226 Difference]: Without dead ends: 1001 [2020-10-27 21:04:48,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=205, Invalid=851, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 21:04:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-27 21:04:48,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 669. [2020-10-27 21:04:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-27 21:04:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1055 transitions. [2020-10-27 21:04:48,587 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1055 transitions. Word has length 94 [2020-10-27 21:04:48,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:04:48,588 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 1055 transitions. [2020-10-27 21:04:48,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 21:04:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1055 transitions. [2020-10-27 21:04:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 21:04:48,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:04:48,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:04:48,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:04:48,606 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 21:04:48,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:04:48,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1768560054, now seen corresponding path program 1 times [2020-10-27 21:04:48,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:04:48,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066192022] [2020-10-27 21:04:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:04:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:48,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:48,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:51,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 21:04:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:04:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 21:04:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:04:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:04:55,918 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:04:55,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:04:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:56,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:56,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:56,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:04:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:56,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:56,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:04:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,407 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:04:56,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:04:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:04:56,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 21:04:56,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,703 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:04:56,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:56,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:56,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:04:56,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:56,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:04:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:56,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:04:57,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:04:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-27 21:04:57,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:57,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 21:04:57,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:57,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:04:57,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:04:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 21:04:57,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:04:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:04:57,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:04:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:04:57,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 21:04:57,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:04:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:04:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:04:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:04:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 21:04:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:04:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:04:57,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:04:57,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:57,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:57,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:57,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:57,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:04:57,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 21:04:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:57,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:57,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:04:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:57,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:57,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:57,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:57,919 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 21:04:57,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066192022] [2020-10-27 21:04:57,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:04:57,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:04:57,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740560655] [2020-10-27 21:04:57,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:04:57,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:04:57,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:04:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:04:57,924 INFO L87 Difference]: Start difference. First operand 669 states and 1055 transitions. Second operand 15 states. [2020-10-27 21:05:00,096 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:05:02,521 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:05:04,777 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:05:07,210 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:05:09,453 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 21:05:11,741 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:05:14,647 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 21:05:18,901 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:51,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:05:51,574 INFO L93 Difference]: Finished difference Result 1652 states and 2804 transitions. [2020-10-27 21:05:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 21:05:51,576 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-10-27 21:05:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:05:51,586 INFO L225 Difference]: With dead ends: 1652 [2020-10-27 21:05:51,587 INFO L226 Difference]: Without dead ends: 1013 [2020-10-27 21:05:51,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2020-10-27 21:05:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-10-27 21:05:51,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 669. [2020-10-27 21:05:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-27 21:05:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1054 transitions. [2020-10-27 21:05:51,819 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1054 transitions. Word has length 95 [2020-10-27 21:05:51,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:05:51,819 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 1054 transitions. [2020-10-27 21:05:51,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:05:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1054 transitions. [2020-10-27 21:05:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 21:05:51,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:05:51,822 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] [2020-10-27 21:05:51,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:05:51,822 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 21:05:51,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:05:51,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1160796079, now seen corresponding path program 1 times [2020-10-27 21:05:51,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:05:51,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439552544] [2020-10-27 21:05:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:05:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:52,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:53,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:54,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:55,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:55,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:56,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:05:56,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:05:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,174 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:59,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:05:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:05:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:05:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:05:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:59,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:59,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,617 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:05:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:05:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,876 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:05:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:59,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:59,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:05:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 21:06:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:06:00,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:06:00,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:06:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:06:00,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:06:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:06:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:06:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:06:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:06:00,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:06:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:06:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:06:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:06:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 21:06:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:06:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:00,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:06:00,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:06:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:00,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:06:00,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 21:06:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:00,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:06:00,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:06:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 21:06:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:00,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:00,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:00,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:06:00,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:06:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:00,836 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 21:06:00,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439552544] [2020-10-27 21:06:00,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:06:00,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:06:00,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220463286] [2020-10-27 21:06:00,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:06:00,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:06:00,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:06:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:06:00,841 INFO L87 Difference]: Start difference. First operand 669 states and 1054 transitions. Second operand 15 states. [2020-10-27 21:06:02,810 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:06:05,276 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:06:07,592 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:06:09,961 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:06:12,214 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:06:14,643 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:06:17,202 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:06:19,861 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:06:25,120 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:07:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:07:06,233 INFO L93 Difference]: Finished difference Result 1634 states and 2770 transitions. [2020-10-27 21:07:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:07:06,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 96 [2020-10-27 21:07:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:07:06,245 INFO L225 Difference]: With dead ends: 1634 [2020-10-27 21:07:06,245 INFO L226 Difference]: Without dead ends: 995 [2020-10-27 21:07:06,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2020-10-27 21:07:06,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-10-27 21:07:06,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 669. [2020-10-27 21:07:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-27 21:07:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1053 transitions. [2020-10-27 21:07:06,485 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1053 transitions. Word has length 96 [2020-10-27 21:07:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:07:06,485 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 1053 transitions. [2020-10-27 21:07:06,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:07:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1053 transitions. [2020-10-27 21:07:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 21:07:06,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:07:06,488 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] [2020-10-27 21:07:06,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:07:06,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:07:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:07:06,489 INFO L82 PathProgramCache]: Analyzing trace with hash 621381594, now seen corresponding path program 1 times [2020-10-27 21:07:06,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:07:06,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322003774] [2020-10-27 21:07:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:07:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:06,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:06,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:08,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:09,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:11,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:11,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 21:07:11,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:07:11,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-27 21:07:11,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:07:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 21:07:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:07:11,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:13,712 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:07:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:07:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:13,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:13,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:13,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:13,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:13,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:07:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:13,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:13,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:13,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:13,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:13,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:13,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:13,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:07:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:13,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:13,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:13,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:07:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:13,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:13,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:13,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:07:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:13,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:13,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:13,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:13,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:13,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:13,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:14,207 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:07:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:07:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:14,495 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:07:14,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:14,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:14,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:14,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:07:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:14,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 21:07:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:07:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:14,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:14,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:07:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:07:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:07:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:14,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:07:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:07:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:07:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:07:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:07:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:07:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:07:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:07:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 21:07:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:07:15,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:07:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 21:07:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:07:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:07:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:15,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:15,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:15,256 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 21:07:15,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322003774] [2020-10-27 21:07:15,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:07:15,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 21:07:15,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612955203] [2020-10-27 21:07:15,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:07:15,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:07:15,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:07:15,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:07:15,258 INFO L87 Difference]: Start difference. First operand 669 states and 1053 transitions. Second operand 13 states. [2020-10-27 21:07:17,324 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:07:19,893 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 409