/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:08:03,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:08:03,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:08:03,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:08:03,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:08:03,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:08:03,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:08:03,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:08:03,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:08:03,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:08:03,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:08:03,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:08:03,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:08:03,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:08:03,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:08:03,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:08:03,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:08:03,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:08:03,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:08:03,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:08:03,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:08:03,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:08:03,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:08:03,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:08:03,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:08:03,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:08:03,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:08:03,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:08:03,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:08:03,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:08:03,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:08:03,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:08:03,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:08:03,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:08:03,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:08:03,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:08:03,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:08:03,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:08:03,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:08:03,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:08:03,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:08:03,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:08:03,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:08:03,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:08:03,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:08:03,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:08:03,298 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:08:03,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:08:03,298 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:08:03,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:08:03,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:08:03,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:08:03,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:08:03,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:08:03,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:08:03,300 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:08:03,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:08:03,300 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:08:03,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:08:03,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:08:03,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:08:03,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:08:03,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:08:03,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:08:03,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:08:03,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:08:03,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:08:03,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:08:03,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:08:03,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:08:03,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:08:03,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:08:03,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:08:03,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:08:03,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:08:03,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:08:03,706 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:08:03,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product23.cil.c [2020-10-27 02:08:03,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f195cc4e2/2d25fe2f97774b118b4d721e83e89dcc/FLAGa18ce78da [2020-10-27 02:08:04,588 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:08:04,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product23.cil.c [2020-10-27 02:08:04,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f195cc4e2/2d25fe2f97774b118b4d721e83e89dcc/FLAGa18ce78da [2020-10-27 02:08:04,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f195cc4e2/2d25fe2f97774b118b4d721e83e89dcc [2020-10-27 02:08:04,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:08:04,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:08:04,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:08:04,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:08:04,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:08:04,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:08:04" (1/1) ... [2020-10-27 02:08:04,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea51ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:04, skipping insertion in model container [2020-10-27 02:08:04,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:08:04" (1/1) ... [2020-10-27 02:08:04,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:08:04,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:08:05,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:08:05,486 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:08:05,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:08:05,698 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:08:05,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05 WrapperNode [2020-10-27 02:08:05,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:08:05,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:08:05,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:08:05,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:08:05,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... [2020-10-27 02:08:05,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:08:05,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:08:05,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:08:05,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:08:05,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:08:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:08:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:08:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:08:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:08:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:08:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:08:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:08:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:08:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:08:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:08:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:08:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:08:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:08:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:08:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:08:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:08:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:08:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:08:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:08:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:08:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:08:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:08:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:08:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:08:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:08:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:08:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:08:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:08:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:08:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:08:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:08:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:08:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:08:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:08:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:08:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:08:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:08:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:08:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:08:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:08:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:08:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:08:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:08:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:08:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:08:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:08:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:08:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:08:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:08:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:08:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:08:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:08:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:08:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:08:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:08:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:08:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:08:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:08:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:08:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:08:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:08:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:08:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:08:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:08:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:08:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:08:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:08:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:08:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:08:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:08:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:08:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:08:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:08:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:08:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:08:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:08:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:08:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:08:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:08:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:08:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:08:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:08:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:08:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:08:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:08:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:08:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:08:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:08:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:08:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:08:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:08:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:08:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:08:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:08:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:08:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:08:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:08:08,678 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:08:08,678 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:08:08,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:08:08 BoogieIcfgContainer [2020-10-27 02:08:08,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:08:08,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:08:08,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:08:08,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:08:08,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:08:04" (1/3) ... [2020-10-27 02:08:08,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c183c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:08:08, skipping insertion in model container [2020-10-27 02:08:08,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:08:05" (2/3) ... [2020-10-27 02:08:08,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c183c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:08:08, skipping insertion in model container [2020-10-27 02:08:08,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:08:08" (3/3) ... [2020-10-27 02:08:08,690 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product23.cil.c [2020-10-27 02:08:08,703 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:08:08,709 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:08:08,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:08:08,754 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:08:08,754 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:08:08,754 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:08:08,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:08:08,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:08:08,755 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:08:08,755 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:08:08,755 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:08:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2020-10-27 02:08:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 02:08:08,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:08:08,823 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:08:08,824 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:08:08,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:08:08,834 INFO L82 PathProgramCache]: Analyzing trace with hash 530318050, now seen corresponding path program 1 times [2020-10-27 02:08:08,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:08:08,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449182537] [2020-10-27 02:08:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:08:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:09,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:09,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:11,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:14,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:14,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 02:08:14,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:08:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-10-27 02:08:14,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 02:08:14,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:08:15,769 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:08:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:08:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:15,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:15,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:15,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 02:08:15,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:08:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:08:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:16,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:16,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:08:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:16,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:16,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:08:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:16,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:16,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:16,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:08:16,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:16,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:08:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:16,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:16,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:16,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:16,255 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:08:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:08:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:16,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:08:17,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:08:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 950 [2020-10-27 02:08:17,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:08:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:17,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:08:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:17,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:08:17,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:08:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:17,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:08:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:08:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:08:17,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:08:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:17,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:17,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:08:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 02:08:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:08:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:08:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:08:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:08:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:17,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:08:17,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:08:17,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:17,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:08:17,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:08:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:08:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 02:08:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:08:17,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:08:17,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:08:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:08:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:08:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:17,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:17,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:08:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:17,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 02:08:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:17,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:08:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:17,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:17,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:08:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:17,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:17,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:17,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:17,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:17,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:17,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:17,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:17,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:17,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 02:08:17,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449182537] [2020-10-27 02:08:17,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:08:17,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 02:08:17,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241976390] [2020-10-27 02:08:17,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:08:17,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:08:17,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:08:17,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:08:17,767 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 12 states. [2020-10-27 02:08:19,782 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:08:23,083 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:08:24,226 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:08:24,903 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:08:30,622 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:08:31,713 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:08:31,961 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:08:33,537 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:08:34,788 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:08:36,009 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:08:39,720 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:08:44,904 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:09:09,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:09:09,602 INFO L93 Difference]: Finished difference Result 2438 states and 4340 transitions. [2020-10-27 02:09:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 02:09:09,612 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-27 02:09:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:09:09,671 INFO L225 Difference]: With dead ends: 2438 [2020-10-27 02:09:09,671 INFO L226 Difference]: Without dead ends: 1745 [2020-10-27 02:09:09,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2020-10-27 02:09:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2020-10-27 02:09:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1198. [2020-10-27 02:09:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-27 02:09:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1917 transitions. [2020-10-27 02:09:10,251 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1917 transitions. Word has length 136 [2020-10-27 02:09:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:09:10,252 INFO L481 AbstractCegarLoop]: Abstraction has 1198 states and 1917 transitions. [2020-10-27 02:09:10,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:09:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1917 transitions. [2020-10-27 02:09:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 02:09:10,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:10,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:09:10,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:09:10,273 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:09:10,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:10,274 INFO L82 PathProgramCache]: Analyzing trace with hash 420866360, now seen corresponding path program 1 times [2020-10-27 02:09:10,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:10,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425202286] [2020-10-27 02:09:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:10,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:10,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:10,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:10,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:15,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:15,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 02:09:15,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:09:15,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 02:09:15,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:09:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 02:09:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:16,598 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:09:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:09:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:09:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:09:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:16,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:16,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:16,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:16,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:09:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:16,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:16,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:09:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:16,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:16,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:09:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,031 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:09:17,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:09:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:09:18,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1530 [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:09:18,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:18,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:09:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:09:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:09:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:09:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:18,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:18,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:09:18,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:09:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:09:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:09:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 02:09:18,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:09:18,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:09:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:09:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:09:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:09:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 02:09:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:09:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:19,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:09:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:09:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 02:09:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:09:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:09:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:09:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:09:19,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:09:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 02:09:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:19,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 02:09:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 02:09:19,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425202286] [2020-10-27 02:09:19,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:09:19,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 02:09:19,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714087961] [2020-10-27 02:09:19,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:09:19,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:09:19,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:09:19,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:09:19,225 INFO L87 Difference]: Start difference. First operand 1198 states and 1917 transitions. Second operand 14 states. [2020-10-27 02:09:21,622 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:09:24,908 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:09:26,420 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:09:27,693 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:09:28,952 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:09:30,253 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:09:31,541 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:09:32,826 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:09:34,094 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:09:36,520 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 406 DAG size of output: 399 [2020-10-27 02:09:37,778 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:09:39,011 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:09:39,859 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:09:40,049 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:09:51,372 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:09:54,477 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:10:25,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:10:25,312 INFO L93 Difference]: Finished difference Result 4814 states and 8477 transitions. [2020-10-27 02:10:25,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 02:10:25,313 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 139 [2020-10-27 02:10:25,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:10:25,353 INFO L225 Difference]: With dead ends: 4814 [2020-10-27 02:10:25,353 INFO L226 Difference]: Without dead ends: 3648 [2020-10-27 02:10:25,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=336, Invalid=1224, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 02:10:25,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2020-10-27 02:10:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2507. [2020-10-27 02:10:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2507 states. [2020-10-27 02:10:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 4081 transitions. [2020-10-27 02:10:26,307 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 4081 transitions. Word has length 139 [2020-10-27 02:10:26,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:10:26,308 INFO L481 AbstractCegarLoop]: Abstraction has 2507 states and 4081 transitions. [2020-10-27 02:10:26,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 02:10:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 4081 transitions. [2020-10-27 02:10:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 02:10:26,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:10:26,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:10:26,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:10:26,317 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:10:26,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:10:26,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1981507684, now seen corresponding path program 1 times [2020-10-27 02:10:26,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:10:26,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913826188] [2020-10-27 02:10:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:10:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:26,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:26,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:27,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:27,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:28,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:31,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 02:10:31,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,709 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:10:32,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:32,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 02:10:32,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:10:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:32,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:32,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:32,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:32,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:33,076 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:10:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:10:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:33,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:10:33,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:10:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:33,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:33,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:33,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:33,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:10:33,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:33,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:33,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:33,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:33,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:33,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:10:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:33,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:33,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:10:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:10:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:34,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:34,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 02:10:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:10:34,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:10:34,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:10:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:10:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:10:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:34,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:10:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:10:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:34,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 02:10:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:10:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:10:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:10:34,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:34,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:10:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:10:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:34,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:34,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 02:10:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:34,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 02:10:34,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913826188] [2020-10-27 02:10:34,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:10:34,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 02:10:34,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188079695] [2020-10-27 02:10:34,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:10:34,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:34,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:10:34,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:10:34,318 INFO L87 Difference]: Start difference. First operand 2507 states and 4081 transitions. Second operand 11 states. [2020-10-27 02:10:35,984 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:10:38,702 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:10:39,887 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:10:40,539 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:10:46,458 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:10:47,346 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:11:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:11:02,288 INFO L93 Difference]: Finished difference Result 6051 states and 10739 transitions. [2020-10-27 02:11:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:11:02,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2020-10-27 02:11:02,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:11:02,321 INFO L225 Difference]: With dead ends: 6051 [2020-10-27 02:11:02,322 INFO L226 Difference]: Without dead ends: 3580 [2020-10-27 02:11:02,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:11:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2020-10-27 02:11:03,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 2527. [2020-10-27 02:11:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2527 states. [2020-10-27 02:11:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 4095 transitions. [2020-10-27 02:11:03,113 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 4095 transitions. Word has length 140 [2020-10-27 02:11:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:11:03,113 INFO L481 AbstractCegarLoop]: Abstraction has 2527 states and 4095 transitions. [2020-10-27 02:11:03,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:11:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 4095 transitions. [2020-10-27 02:11:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 02:11:03,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:11:03,122 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:11:03,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:11:03,123 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:11:03,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:11:03,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1779776292, now seen corresponding path program 1 times [2020-10-27 02:11:03,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:11:03,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078161563] [2020-10-27 02:11:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:11:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:03,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:03,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:03,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:03,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:04,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:05,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:08,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:11:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 02:11:08,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,419 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:11:09,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:11:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:11:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:11:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:09,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:11:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:11:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:11:09,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:11:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:09,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:09,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:11:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:11:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:09,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:11:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:11:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:09,719 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:11:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:11:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:09,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:11:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:11:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:11:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:11:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:11:10,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:11:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 02:11:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:11:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:11:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:11:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:11:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:11:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:11:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:10,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:11:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:11:10,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 02:11:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 02:11:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:11:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:11:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:11:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:11:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:11:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:11:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:11:10,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 02:11:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:10,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:11:10,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:11:10,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:11:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:11:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:11:10,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078161563] [2020-10-27 02:11:10,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:11:10,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 02:11:10,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284377049] [2020-10-27 02:11:10,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:11:10,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:11:10,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:11:10,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:11:10,657 INFO L87 Difference]: Start difference. First operand 2527 states and 4095 transitions. Second operand 10 states. [2020-10-27 02:11:12,940 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:11:15,567 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:11:16,844 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:11:17,432 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:11:23,189 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:11:23,895 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:11:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:11:39,669 INFO L93 Difference]: Finished difference Result 6095 states and 10763 transitions. [2020-10-27 02:11:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:11:39,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2020-10-27 02:11:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:11:39,700 INFO L225 Difference]: With dead ends: 6095 [2020-10-27 02:11:39,700 INFO L226 Difference]: Without dead ends: 3604 [2020-10-27 02:11:39,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:11:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2020-10-27 02:11:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 2551. [2020-10-27 02:11:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2551 states. [2020-10-27 02:11:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4113 transitions. [2020-10-27 02:11:40,519 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4113 transitions. Word has length 142 [2020-10-27 02:11:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:11:40,519 INFO L481 AbstractCegarLoop]: Abstraction has 2551 states and 4113 transitions. [2020-10-27 02:11:40,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:11:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4113 transitions. [2020-10-27 02:11:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 02:11:40,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:11:40,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:11:40,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:11:40,529 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:11:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:11:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1343013948, now seen corresponding path program 1 times [2020-10-27 02:11:40,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:11:40,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129102862] [2020-10-27 02:11:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:11:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:11:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:40,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:40,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:41,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:41,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:11:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking...