/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.4 --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:02:17,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:02:17,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:02:17,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:02:17,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:02:17,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:02:17,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:02:17,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:02:17,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:02:17,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:02:17,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:02:17,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:02:17,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:02:17,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:02:17,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:02:17,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:02:17,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:02:17,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:02:17,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:02:17,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:02:17,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:02:17,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:02:17,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:02:17,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:02:17,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:02:17,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:02:17,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:02:17,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:02:17,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:02:17,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:02:17,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:02:17,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:02:17,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:02:17,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:02:17,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:02:17,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:02:17,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:02:17,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:02:17,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:02:17,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:02:17,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:02:17,966 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 [2020-10-14 06:02:18,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:02:18,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:02:18,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:02:18,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:02:18,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:02:18,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:02:18,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:02:18,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:02:18,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:02:18,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:02:18,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:02:18,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:02:18,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:02:18,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:02:18,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:02:18,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:02:18,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:02:18,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:02:18,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:02:18,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:02:18,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:02:18,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:02:18,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:02:18,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:02:18,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:02:18,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:02:18,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:02:18,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:02:18,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:02:18,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:02:18,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:02:18,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:02:18,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:02:18,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:02:18,334 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:02:18,335 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-14 06:02:18,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e14bbad5c/8de2489f0f804586bc23f4e1aa313726/FLAG6d3834350 [2020-10-14 06:02:18,997 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:02:18,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-14 06:02:19,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e14bbad5c/8de2489f0f804586bc23f4e1aa313726/FLAG6d3834350 [2020-10-14 06:02:19,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e14bbad5c/8de2489f0f804586bc23f4e1aa313726 [2020-10-14 06:02:19,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:02:19,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:02:19,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:02:19,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:02:19,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:02:19,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:02:19" (1/1) ... [2020-10-14 06:02:19,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1e91ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:19, skipping insertion in model container [2020-10-14 06:02:19,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:02:19" (1/1) ... [2020-10-14 06:02:19,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:02:19,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:02:20,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:02:20,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:02:20,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:02:20,326 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:02:20,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20 WrapperNode [2020-10-14 06:02:20,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:02:20,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:02:20,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:02:20,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:02:20,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (1/1) ... [2020-10-14 06:02:20,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:02:20,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:02:20,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:02:20,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:02:20,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (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 [2020-10-14 06:02:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:02:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:02:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:02:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:02:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:02:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:02:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:02:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:02:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:02:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:02:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:02:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:02:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:02:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:02:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:02:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:02:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:02:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:02:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:02:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:02:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:02:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:02:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:02:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:02:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:02:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:02:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:02:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:02:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:02:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:02:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:02:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:02:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 06:02:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:02:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 06:02:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:02:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:02:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:02:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:02:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:02:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:02:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:02:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:02:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-14 06:02:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:02:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:02:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 06:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-14 06:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:02:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:02:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:02:22,670 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:02:22,670 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:02:22,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:02:22 BoogieIcfgContainer [2020-10-14 06:02:22,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:02:22,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:02:22,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:02:22,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:02:22,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:02:19" (1/3) ... [2020-10-14 06:02:22,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de52d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:02:22, skipping insertion in model container [2020-10-14 06:02:22,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:02:20" (2/3) ... [2020-10-14 06:02:22,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de52d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:02:22, skipping insertion in model container [2020-10-14 06:02:22,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:02:22" (3/3) ... [2020-10-14 06:02:22,692 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product18.cil.c [2020-10-14 06:02:22,702 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:02:22,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:02:22,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:02:22,765 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:02:22,765 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:02:22,765 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:02:22,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:02:22,766 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:02:22,766 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:02:22,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:02:22,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:02:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states. [2020-10-14 06:02:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 06:02:22,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:02:22,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:02:22,876 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:02:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:02:22,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1366421017, now seen corresponding path program 1 times [2020-10-14 06:02:22,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:02:22,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601817631] [2020-10-14 06:02:22,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:02:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:25,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 06:02:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:02:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 06:02:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:28,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:02:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:02:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:02:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:02:29,599 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:02:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:02:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:29,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 06:02:29,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:29,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:02:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:29,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:29,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:02:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:29,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:29,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:02:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:02:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:29,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:02:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:02:29,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:02:29,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:29,932 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:02:29,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:02:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:29,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:29,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:02:29,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:02:29,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:29,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:29,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:29,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:02:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:02:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:02:30,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:02:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-14 06:02:30,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:02:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:02:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:02:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:02:30,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:02:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:02:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:02:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:02:30,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:02:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 06:02:30,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:02:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:02:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:02:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:02:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:02:30,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:02:30,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:02:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:02:30,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 06:02:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:02:30,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:02:30,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:02:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:02:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:30,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:30,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:02:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:30,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:30,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:02:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 06:02:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:30,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:02:30,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:02:30,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 06:02:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:30,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:02:30,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:02:30,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:02:30,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:02:30,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:02:30,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:02:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:02:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:02:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:02:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:02:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:02:30,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601817631] [2020-10-14 06:02:30,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:02:30,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:02:30,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612170800] [2020-10-14 06:02:30,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:02:30,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:02:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:02:30,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:02:30,783 INFO L87 Difference]: Start difference. First operand 781 states. Second operand 12 states. [2020-10-14 06:02:32,475 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:02:33,365 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:02:34,109 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:02:34,805 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:02:35,629 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:02:36,351 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:02:38,801 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:02:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:02:55,806 INFO L93 Difference]: Finished difference Result 1565 states and 2725 transitions. [2020-10-14 06:02:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:02:55,809 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 06:02:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:02:55,845 INFO L225 Difference]: With dead ends: 1565 [2020-10-14 06:02:55,845 INFO L226 Difference]: Without dead ends: 951 [2020-10-14 06:02:55,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:02:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-10-14 06:02:56,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 620. [2020-10-14 06:02:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-14 06:02:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 991 transitions. [2020-10-14 06:02:56,155 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 991 transitions. Word has length 93 [2020-10-14 06:02:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:02:56,156 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 991 transitions. [2020-10-14 06:02:56,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:02:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 991 transitions. [2020-10-14 06:02:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:02:56,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:02:56,162 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:02:56,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:02:56,162 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:02:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:02:56,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1643390832, now seen corresponding path program 1 times [2020-10-14 06:02:56,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:02:56,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968957889] [2020-10-14 06:02:56,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:02:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:02:56,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:56,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:02:58,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:01,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:01,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:03:01,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:03:01,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-14 06:03:01,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:01,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:03:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:03:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:03:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,163 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:03:02,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:03:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:02,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 06:03:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:03:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:03:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:03:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:02,454 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:03:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:03:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:03:02,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:03:02,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:02,633 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 06:03:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:02,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:02,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:03:02,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:02,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:03:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:03:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:03:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:03:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:03:03,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:03:03,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:03:03,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:03:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:03:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:03:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:03:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:03:03,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:03:03,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:03:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:03:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:03:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:03,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:03:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:03:03,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:03:03,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:03:03,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:03,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:03,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:03:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:03:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:03,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:03,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:03,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:03,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:03,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:03,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:03:03,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968957889] [2020-10-14 06:03:03,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:03:03,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:03:03,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274327567] [2020-10-14 06:03:03,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:03:03,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:03:03,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:03:03,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:03:03,436 INFO L87 Difference]: Start difference. First operand 620 states and 991 transitions. Second operand 9 states. [2020-10-14 06:03:04,636 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 06:03:05,471 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-14 06:03:06,256 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 06:03:08,147 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:03:22,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:03:22,605 INFO L93 Difference]: Finished difference Result 1531 states and 2632 transitions. [2020-10-14 06:03:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:03:22,607 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-14 06:03:22,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:03:22,621 INFO L225 Difference]: With dead ends: 1531 [2020-10-14 06:03:22,622 INFO L226 Difference]: Without dead ends: 922 [2020-10-14 06:03:22,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:03:22,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-14 06:03:22,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 602. [2020-10-14 06:03:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-14 06:03:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 958 transitions. [2020-10-14 06:03:22,888 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 958 transitions. Word has length 94 [2020-10-14 06:03:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:03:22,889 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 958 transitions. [2020-10-14 06:03:22,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:03:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 958 transitions. [2020-10-14 06:03:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:03:22,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:03:22,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:03:22,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:03:22,891 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:03:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:03:22,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1305237044, now seen corresponding path program 1 times [2020-10-14 06:03:22,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:03:22,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005655298] [2020-10-14 06:03:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:03:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:23,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:24,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:25,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:27,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:27,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:03:27,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:03:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 06:03:27,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:27,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 06:03:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:03:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:28,683 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:03:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:03:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:28,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:03:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:28,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:03:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:28,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:28,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:28,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:03:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:28,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:28,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:28,903 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:03:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:03:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:28,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:28,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:28,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:03:28,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:28,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:29,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:03:29,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:03:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:03:29,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:03:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-14 06:03:29,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:03:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:03:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:03:29,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:03:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:03:29,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:03:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:03:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:03:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:03:29,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:03:29,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:03:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:03:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:03:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:03:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:29,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:29,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:03:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:29,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:29,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:29,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:03:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:29,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:29,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:29,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:29,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:29,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:03:29,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005655298] [2020-10-14 06:03:29,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:03:29,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:03:29,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725581807] [2020-10-14 06:03:29,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:03:29,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:03:29,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:03:29,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:03:29,703 INFO L87 Difference]: Start difference. First operand 602 states and 958 transitions. Second operand 10 states. [2020-10-14 06:03:32,747 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:03:33,601 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:03:35,402 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:03:52,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:03:52,401 INFO L93 Difference]: Finished difference Result 1494 states and 2568 transitions. [2020-10-14 06:03:52,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:03:52,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-14 06:03:52,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:03:52,412 INFO L225 Difference]: With dead ends: 1494 [2020-10-14 06:03:52,413 INFO L226 Difference]: Without dead ends: 922 [2020-10-14 06:03:52,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:03:52,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-14 06:03:52,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 602. [2020-10-14 06:03:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-14 06:03:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 957 transitions. [2020-10-14 06:03:52,580 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 957 transitions. Word has length 94 [2020-10-14 06:03:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:03:52,580 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 957 transitions. [2020-10-14 06:03:52,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:03:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 957 transitions. [2020-10-14 06:03:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 06:03:52,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:03:52,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:03:52,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:03:52,583 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:03:52,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:03:52,584 INFO L82 PathProgramCache]: Analyzing trace with hash -186530349, now seen corresponding path program 1 times [2020-10-14 06:03:52,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:03:52,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120216838] [2020-10-14 06:03:52,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:03:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:52,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:56,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:57,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 06:03:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:03:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 06:03:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:57,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:03:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:03:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:03:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,454 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:03:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:03:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 06:03:58,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:58,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:58,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:58,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:03:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:58,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:03:58,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:03:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:58,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:58,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:03:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,705 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:03:58,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:03:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:03:58,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:03:58,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:58,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:58,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:03:58,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:03:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:03:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:58,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:03:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:03:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:03:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:58,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:58,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:03:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:03:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:03:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:03:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:03:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:03:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:03:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:03:59,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:03:59,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:03:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:03:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 06:03:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:03:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:03:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:59,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:03:59,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:03:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:03:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 06:03:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:03:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:03:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:03:59,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:03:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:03:59,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:03:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:03:59,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:03:59,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:03:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:03:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:03:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:03:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:03:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:03:59,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120216838] [2020-10-14 06:03:59,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:03:59,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:03:59,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397527967] [2020-10-14 06:03:59,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:03:59,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:03:59,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:03:59,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:03:59,210 INFO L87 Difference]: Start difference. First operand 602 states and 957 transitions. Second operand 12 states. [2020-10-14 06:04:01,065 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:01,784 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:04:02,475 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:04:03,183 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:03,910 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:04:06,006 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:04:24,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:04:24,132 INFO L93 Difference]: Finished difference Result 1500 states and 2574 transitions. [2020-10-14 06:04:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:04:24,133 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 06:04:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:04:24,141 INFO L225 Difference]: With dead ends: 1500 [2020-10-14 06:04:24,141 INFO L226 Difference]: Without dead ends: 916 [2020-10-14 06:04:24,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:04:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-14 06:04:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 596. [2020-10-14 06:04:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 06:04:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 944 transitions. [2020-10-14 06:04:24,285 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 944 transitions. Word has length 95 [2020-10-14 06:04:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:04:24,286 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 944 transitions. [2020-10-14 06:04:24,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:04:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 944 transitions. [2020-10-14 06:04:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 06:04:24,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:04:24,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:04:24,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:04:24,288 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:04:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:04:24,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1229436790, now seen corresponding path program 1 times [2020-10-14 06:04:24,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:04:24,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818022232] [2020-10-14 06:04:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:04:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:24,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:24,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:25,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:28,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:29,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 06:04:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:04:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 06:04:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:29,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 06:04:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:04:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,073 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:04:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:04:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:04:30,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:04:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:30,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:04:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:04:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:30,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,285 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:04:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:04:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:04:30,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:04:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:04:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:04:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:04:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:04:30,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:04:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:04:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:04:30,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:04:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 06:04:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:04:30,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:04:30,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:04:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 06:04:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:30,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:04:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:30,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:30,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:04:30,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818022232] [2020-10-14 06:04:30,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:04:30,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:04:30,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371008800] [2020-10-14 06:04:30,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:04:30,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:04:30,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:04:30,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:04:30,844 INFO L87 Difference]: Start difference. First operand 596 states and 944 transitions. Second operand 10 states. [2020-10-14 06:04:32,442 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:04:33,257 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:04:34,881 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:04:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:04:49,275 INFO L93 Difference]: Finished difference Result 1482 states and 2540 transitions. [2020-10-14 06:04:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:04:49,276 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-14 06:04:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:04:49,284 INFO L225 Difference]: With dead ends: 1482 [2020-10-14 06:04:49,284 INFO L226 Difference]: Without dead ends: 916 [2020-10-14 06:04:49,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:04:49,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-14 06:04:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 596. [2020-10-14 06:04:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 06:04:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 943 transitions. [2020-10-14 06:04:49,469 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 943 transitions. Word has length 96 [2020-10-14 06:04:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:04:49,470 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 943 transitions. [2020-10-14 06:04:49,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:04:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 943 transitions. [2020-10-14 06:04:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 06:04:49,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:04:49,472 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:04:49,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:04:49,472 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:04:49,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:04:49,473 INFO L82 PathProgramCache]: Analyzing trace with hash -899070056, now seen corresponding path program 1 times [2020-10-14 06:04:49,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:04:49,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755304717] [2020-10-14 06:04:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:04:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:49,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:54,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:04:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:04:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:04:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,245 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:04:55,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:04:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:04:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:04:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:04:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:04:55,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,452 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:04:55,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:04:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:04:55,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:04:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:04:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 06:04:55,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:04:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:04:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:04:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:04:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:04:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:04:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:04:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:04:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:04:55,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:04:55,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:04:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:04:55,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:04:55,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:04:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:04:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 06:04:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:04:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:04:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:04:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:04:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 06:04:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:04:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:04:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:04:55,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:04:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:04:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:04:55,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755304717] [2020-10-14 06:04:55,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:04:55,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:04:55,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814506589] [2020-10-14 06:04:55,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:04:55,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:04:55,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:04:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:04:55,959 INFO L87 Difference]: Start difference. First operand 596 states and 943 transitions. Second operand 12 states. [2020-10-14 06:04:58,184 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:58,906 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:04:59,604 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:00,322 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:01,059 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:05:03,088 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:05:22,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:05:22,179 INFO L93 Difference]: Finished difference Result 1488 states and 2546 transitions. [2020-10-14 06:05:22,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:05:22,180 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-14 06:05:22,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:05:22,187 INFO L225 Difference]: With dead ends: 1488 [2020-10-14 06:05:22,187 INFO L226 Difference]: Without dead ends: 910 [2020-10-14 06:05:22,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:05:22,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-14 06:05:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 590. [2020-10-14 06:05:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 06:05:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 930 transitions. [2020-10-14 06:05:22,347 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 930 transitions. Word has length 97 [2020-10-14 06:05:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:05:22,347 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 930 transitions. [2020-10-14 06:05:22,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:05:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 930 transitions. [2020-10-14 06:05:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 06:05:22,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:05:22,349 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] [2020-10-14 06:05:22,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:05:22,349 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:05:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:05:22,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1290464947, now seen corresponding path program 1 times [2020-10-14 06:05:22,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:05:22,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154448207] [2020-10-14 06:05:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:05:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:22,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:23,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:23,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:25,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:27,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 06:05:27,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:05:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:05:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,156 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:05:28,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:05:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:05:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:28,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:05:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:05:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,379 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:05:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:05:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:05:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:05:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:05:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:05:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:05:28,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:05:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:05:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:05:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:05:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:05:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:05:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 06:05:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:05:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 06:05:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 06:05:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:28,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:28,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:28,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:28,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:05:28,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154448207] [2020-10-14 06:05:28,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:05:28,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:05:28,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812923310] [2020-10-14 06:05:28,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:05:28,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:05:28,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:05:28,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:05:28,894 INFO L87 Difference]: Start difference. First operand 590 states and 930 transitions. Second operand 10 states. [2020-10-14 06:05:30,788 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:05:31,655 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 06:05:33,436 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:05:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:05:50,876 INFO L93 Difference]: Finished difference Result 1470 states and 2512 transitions. [2020-10-14 06:05:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:05:50,877 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-10-14 06:05:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:05:50,884 INFO L225 Difference]: With dead ends: 1470 [2020-10-14 06:05:50,884 INFO L226 Difference]: Without dead ends: 910 [2020-10-14 06:05:50,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:05:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-14 06:05:51,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 590. [2020-10-14 06:05:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 06:05:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 929 transitions. [2020-10-14 06:05:51,033 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 929 transitions. Word has length 98 [2020-10-14 06:05:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:05:51,034 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 929 transitions. [2020-10-14 06:05:51,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:05:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 929 transitions. [2020-10-14 06:05:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 06:05:51,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:05:51,035 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] [2020-10-14 06:05:51,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:05:51,036 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:05:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:05:51,036 INFO L82 PathProgramCache]: Analyzing trace with hash 461410282, now seen corresponding path program 1 times [2020-10-14 06:05:51,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:05:51,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976863438] [2020-10-14 06:05:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:05:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:51,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:51,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:51,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:51,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:51,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:53,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:05:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 06:05:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:56,812 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 06:05:56,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:05:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:56,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:56,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:05:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:05:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:05:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:56,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:56,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:56,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:05:56,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:56,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:56,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:56,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,020 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:05:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:05:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:05:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:05:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:05:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 06:05:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:05:57,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:05:57,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:05:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:05:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 06:05:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:05:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:05:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:05:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:05:57,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:05:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:05:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:57,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:05:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 06:05:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 06:05:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:05:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:05:57,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:05:57,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:05:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:05:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:05:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:05:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:05:57,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976863438] [2020-10-14 06:05:57,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:05:57,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:05:57,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31624618] [2020-10-14 06:05:57,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:05:57,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:05:57,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:05:57,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:05:57,544 INFO L87 Difference]: Start difference. First operand 590 states and 929 transitions. Second operand 12 states. [2020-10-14 06:05:59,144 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:05:59,873 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:00,585 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:01,298 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:02,044 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 06:06:03,773 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148