/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:40:57,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:40:57,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:40:57,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:40:57,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:40:57,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:40:57,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:40:57,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:40:57,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:40:57,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:40:57,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:40:57,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:40:57,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:40:57,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:40:57,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:40:57,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:40:57,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:40:57,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:40:57,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:40:57,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:40:57,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:40:57,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:40:57,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:40:57,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:40:57,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:40:57,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:40:57,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:40:57,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:40:57,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:40:57,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:40:57,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:40:57,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:40:57,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:40:57,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:40:57,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:40:57,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:40:57,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:40:57,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:40:57,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:40:57,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:40:57,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:40:57,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 15:40:57,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:40:57,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:40:57,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:40:57,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:40:57,218 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:40:57,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:40:57,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:40:57,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:40:57,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:40:57,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:40:57,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:40:57,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:40:57,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:40:57,220 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:40:57,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:40:57,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:40:57,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:40:57,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:40:57,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:40:57,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:40:57,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:40:57,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:40:57,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:40:57,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:40:57,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:40:57,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:40:57,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:40:57,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:40:57,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:40:57,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:40:57,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:40:57,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:40:57,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:40:57,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:40:57,710 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:40:57,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2020-10-28 15:40:57,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67d34fba2/ca2f16c86e1c4a4f8b4d2426c082f973/FLAGd27631597 [2020-10-28 15:40:58,711 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:40:58,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2020-10-28 15:40:58,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67d34fba2/ca2f16c86e1c4a4f8b4d2426c082f973/FLAGd27631597 [2020-10-28 15:40:58,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67d34fba2/ca2f16c86e1c4a4f8b4d2426c082f973 [2020-10-28 15:40:58,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:40:58,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:40:58,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:40:58,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:40:58,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:40:58,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:40:58" (1/1) ... [2020-10-28 15:40:58,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b0b30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:58, skipping insertion in model container [2020-10-28 15:40:58,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:40:58" (1/1) ... [2020-10-28 15:40:58,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:40:58,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:40:59,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:40:59,562 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:40:59,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:40:59,778 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:40:59,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59 WrapperNode [2020-10-28 15:40:59,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:40:59,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:40:59,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:40:59,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:40:59,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... [2020-10-28 15:40:59,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:40:59,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:40:59,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:40:59,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:40:59,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:41:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:41:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:41:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:41:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:41:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:41:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:41:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:41:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:41:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:41:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:41:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:41:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:41:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:41:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:41:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:41:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:41:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:41:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:41:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:41:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:41:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:41:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:41:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:41:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:41:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:41:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:41:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:41:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:41:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:41:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:41:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:41:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:41:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:41:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:41:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:41:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:41:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:41:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:41:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:41:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:41:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:41:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:41:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:41:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:41:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:41:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:41:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:41:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:41:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:41:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:41:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:41:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:41:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:41:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:41:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:41:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:41:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:41:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:41:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:41:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:41:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:41:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:41:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:41:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:41:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:41:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:41:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:41:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:41:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:41:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:41:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:41:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:41:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:41:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:41:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:41:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:41:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:41:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:41:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:41:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:41:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:41:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:41:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:41:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:41:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:41:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:41:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:41:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:41:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:41:02,290 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:41:02,290 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:41:02,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:41:02 BoogieIcfgContainer [2020-10-28 15:41:02,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:41:02,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:41:02,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:41:02,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:41:02,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:40:58" (1/3) ... [2020-10-28 15:41:02,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f188fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:41:02, skipping insertion in model container [2020-10-28 15:41:02,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:40:59" (2/3) ... [2020-10-28 15:41:02,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f188fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:41:02, skipping insertion in model container [2020-10-28 15:41:02,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:41:02" (3/3) ... [2020-10-28 15:41:02,303 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product01.cil.c [2020-10-28 15:41:02,315 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:41:02,321 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:41:02,338 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:41:02,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:41:02,374 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:41:02,374 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:41:02,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:41:02,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:41:02,375 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:41:02,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:41:02,375 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:41:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states. [2020-10-28 15:41:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 15:41:02,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:41:02,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:41:02,443 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:41:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:41:02,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1464877234, now seen corresponding path program 1 times [2020-10-28 15:41:02,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:41:02,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698589856] [2020-10-28 15:41:02,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:41:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:03,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:04,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:05,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 15:41:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:41:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 15:41:08,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:08,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 15:41:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:41:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 15:41:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 15:41:09,063 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-28 15:41:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:41:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 15:41:09,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:09,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:09,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:09,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:41:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:09,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:41:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:09,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 15:41:09,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:41:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:41:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:09,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:41:09,471 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:41:09,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:41:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:41:09,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 15:41:09,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:41:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,668 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:41:09,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:09,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 15:41:09,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:09,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:41:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:09,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:41:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:09,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:41:10,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:41:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-28 15:41:10,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:41:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:10,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:10,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:41:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:41:10,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:41:10,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:41:10,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:41:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:10,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:10,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:41:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:41:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 15:41:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:10,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:41:10,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:41:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:10,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:41:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:41:10,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:41:10,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:41:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:41:10,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:41:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:41:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:41:10,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:41:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:41:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:41:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:41:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:41:10,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 15:41:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:41:10,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 15:41:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 15:41:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:41:10,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:41:10,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:41:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 15:41:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:41:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:41:10,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:41:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:41:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:41:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:41:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:41:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:41:10,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698589856] [2020-10-28 15:41:10,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:41:10,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:41:10,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584645866] [2020-10-28 15:41:10,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:41:10,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:41:10,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:41:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:41:10,595 INFO L87 Difference]: Start difference. First operand 745 states. Second operand 12 states. [2020-10-28 15:41:12,876 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:41:13,668 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:41:14,833 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:41:16,888 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:41:18,755 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-28 15:41:19,907 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 395 [2020-10-28 15:41:21,737 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-28 15:41:22,302 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:41:22,786 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:41:24,086 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:41:27,793 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-28 15:41:28,945 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-28 15:41:29,401 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:41:31,535 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-28 15:41:31,848 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:41:32,095 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:41:32,554 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:41:33,806 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-28 15:41:34,052 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:41:35,570 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-28 15:41:35,987 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:41:36,491 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:41:37,603 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-28 15:42:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:42:34,553 INFO L93 Difference]: Finished difference Result 3059 states and 5655 transitions. [2020-10-28 15:42:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-28 15:42:34,555 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-28 15:42:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:42:34,629 INFO L225 Difference]: With dead ends: 3059 [2020-10-28 15:42:34,629 INFO L226 Difference]: Without dead ends: 2430 [2020-10-28 15:42:34,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=531, Invalid=1725, Unknown=0, NotChecked=0, Total=2256 [2020-10-28 15:42:34,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2020-10-28 15:42:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 1608. [2020-10-28 15:42:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1608 states. [2020-10-28 15:42:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2614 transitions. [2020-10-28 15:42:35,412 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2614 transitions. Word has length 116 [2020-10-28 15:42:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:42:35,415 INFO L481 AbstractCegarLoop]: Abstraction has 1608 states and 2614 transitions. [2020-10-28 15:42:35,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:42:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2614 transitions. [2020-10-28 15:42:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 15:42:35,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:42:35,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:42:35,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:42:35,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:42:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:42:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2093211596, now seen corresponding path program 1 times [2020-10-28 15:42:35,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:42:35,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846594076] [2020-10-28 15:42:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:42:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:35,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:36,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:40,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:42:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:42:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 15:42:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,609 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-28 15:42:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:42:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:41,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:41,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:42:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:42:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:41,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:42:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:41,931 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:42:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:42:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:41,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:41,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:42:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,164 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:42:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:42:42,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:42:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:42:42,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:42:42,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:42:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:42,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:42:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:42:42,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:42:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:42:42,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:42,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:42:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:42:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:42:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:42:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 15:42:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:42:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:42:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:42:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:42:42,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:42:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:42:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:42:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:42:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:42:42,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:42:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 15:42:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:42:42,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:42:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:42:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 15:42:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 15:42:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:42:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:42:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 15:42:42,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846594076] [2020-10-28 15:42:42,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:42:42,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 15:42:42,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894897098] [2020-10-28 15:42:42,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 15:42:42,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:42:42,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 15:42:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:42:42,858 INFO L87 Difference]: Start difference. First operand 1608 states and 2614 transitions. Second operand 13 states. [2020-10-28 15:42:45,106 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:42:45,587 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:42:46,701 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:42:48,620 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:42:49,780 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-28 15:42:50,071 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:42:50,308 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:42:51,769 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:42:52,182 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:42:52,770 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:42:53,112 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:42:54,004 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:42:55,074 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:42:56,168 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-28 15:42:57,265 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:42:58,630 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:42:59,254 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:42:59,510 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:43:01,380 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:43:01,848 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:43:05,037 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:43:05,264 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:43:05,915 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:43:06,173 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:44:04,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:44:04,994 INFO L93 Difference]: Finished difference Result 7122 states and 13272 transitions. [2020-10-28 15:44:04,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-28 15:44:04,998 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 122 [2020-10-28 15:44:04,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:44:05,054 INFO L225 Difference]: With dead ends: 7122 [2020-10-28 15:44:05,054 INFO L226 Difference]: Without dead ends: 5548 [2020-10-28 15:44:05,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=490, Invalid=2060, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 15:44:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5548 states. [2020-10-28 15:44:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5548 to 3600. [2020-10-28 15:44:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3600 states. [2020-10-28 15:44:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 5995 transitions. [2020-10-28 15:44:06,061 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 5995 transitions. Word has length 122 [2020-10-28 15:44:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:44:06,062 INFO L481 AbstractCegarLoop]: Abstraction has 3600 states and 5995 transitions. [2020-10-28 15:44:06,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 15:44:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5995 transitions. [2020-10-28 15:44:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 15:44:06,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:44:06,066 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:44:06,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:44:06,067 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:44:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:44:06,067 INFO L82 PathProgramCache]: Analyzing trace with hash 142337228, now seen corresponding path program 1 times [2020-10-28 15:44:06,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:44:06,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906305375] [2020-10-28 15:44:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:44:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:06,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:44:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 15:44:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,276 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-28 15:44:12,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:44:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:12,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 15:44:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:44:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:44:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:44:12,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:44:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:12,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:12,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:44:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:44:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:44:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,592 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:44:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:44:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:44:12,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:44:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,784 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:44:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:44:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:12,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:44:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:44:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:12,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:12,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:44:13,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:44:13,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:44:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:44:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:44:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:44:13,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:44:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:44:13,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:44:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:44:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:44:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 15:44:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:44:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:44:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:44:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:13,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:44:13,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:44:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:44:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:44:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:44:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:44:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:44:13,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 15:44:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:44:13,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:44:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:44:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 15:44:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:44:13,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:44:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:44:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:44:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:44:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 15:44:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:44:13,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:44:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:44:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:44:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:44:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:44:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:44:13,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906305375] [2020-10-28 15:44:13,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:44:13,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 15:44:13,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603980778] [2020-10-28 15:44:13,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 15:44:13,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:44:13,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 15:44:13,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:44:13,495 INFO L87 Difference]: Start difference. First operand 3600 states and 5995 transitions. Second operand 13 states. [2020-10-28 15:44:16,107 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:44:16,581 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:44:17,662 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:44:19,189 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:20,297 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-28 15:44:20,563 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:44:20,809 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:44:22,252 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:44:22,636 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:44:23,843 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:24,308 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:27,151 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-28 15:44:27,398 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:27,628 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:28,420 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:44:29,102 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:31,167 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:44:31,370 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:44:31,620 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:44:32,193 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:44:32,492 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 15:44:33,430 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:37,968 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 392 [2020-10-28 15:44:38,324 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 149