/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 19:43:33,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:43:33,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:43:33,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:43:33,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:43:33,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:43:33,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:43:33,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:43:33,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:43:33,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:43:33,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:43:33,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:43:33,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:43:33,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:43:33,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:43:33,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:43:33,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:43:33,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:43:33,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:43:33,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:43:33,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:43:33,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:43:33,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:43:33,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:43:33,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:43:33,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:43:33,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:43:33,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:43:33,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:43:33,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:43:33,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:43:33,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:43:33,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:43:33,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:43:33,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:43:33,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:43:33,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:43:33,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:43:33,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:43:33,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:43:33,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:43:33,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 19:43:33,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:43:33,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:43:33,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:43:33,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:43:33,468 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:43:33,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:43:33,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:43:33,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:43:33,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:43:33,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:43:33,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:43:33,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:43:33,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:43:33,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:43:33,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:43:33,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:43:33,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:43:33,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:43:33,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:43:33,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:43:33,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:43:33,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:43:33,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:43:33,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:43:33,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:43:33,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:43:33,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:43:33,472 INFO L138 SettingsManager]: * To the following directory=dump/ 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:43:33,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:43:33,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:43:33,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:43:33,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:43:33,769 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:43:33,770 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-13 19:43:33,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e8883e7/afb41ce14b8e4ffc8500e0c7bcf4e344/FLAG99356a0f6 [2020-10-13 19:43:34,502 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:43:34,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-13 19:43:34,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e8883e7/afb41ce14b8e4ffc8500e0c7bcf4e344/FLAG99356a0f6 [2020-10-13 19:43:34,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32e8883e7/afb41ce14b8e4ffc8500e0c7bcf4e344 [2020-10-13 19:43:34,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:43:34,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:43:34,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:43:34,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:43:34,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:43:34,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:34" (1/1) ... [2020-10-13 19:43:34,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf7d031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:34, skipping insertion in model container [2020-10-13 19:43:34,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:34" (1/1) ... [2020-10-13 19:43:34,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:43:34,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:43:35,232 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-10-13 19:43:35,233 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-10-13 19:43:35,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:43:35,614 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:43:35,659 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-10-13 19:43:35,660 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-10-13 19:43:35,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:43:35,841 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:43:35,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35 WrapperNode [2020-10-13 19:43:35,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:43:35,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:43:35,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:43:35,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:43:35,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (1/1) ... [2020-10-13 19:43:35,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:43:35,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:43:35,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:43:35,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:43:35,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (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 [2020-10-13 19:43:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:43:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:43:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 19:43:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 19:43:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 19:43:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-13 19:43:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 19:43:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 19:43:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-13 19:43:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:43:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:43:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:43:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:43:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:43:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:43:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:43:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:43:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:43:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-13 19:43:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-10-13 19:43:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-10-13 19:43:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-10-13 19:43:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-10-13 19:43:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-10-13 19:43:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-10-13 19:43:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:43:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 19:43:36,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 19:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 19:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 19:43:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 19:43:36,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 19:43:36,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-10-13 19:43:36,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 19:43:36,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:43:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:43:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-10-13 19:43:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 19:43:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-13 19:43:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:43:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:43:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:43:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:43:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 19:43:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 19:43:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 19:43:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:43:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 19:43:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 19:43:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-13 19:43:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-13 19:43:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:43:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-13 19:43:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 19:43:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 19:43:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:43:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:43:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:43:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:43:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:43:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:43:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:43:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:43:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:43:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-13 19:43:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-13 19:43:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-10-13 19:43:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-10-13 19:43:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-10-13 19:43:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-10-13 19:43:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-10-13 19:43:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-10-13 19:43:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-10-13 19:43:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-10-13 19:43:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-10-13 19:43:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-10-13 19:43:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-10-13 19:43:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:43:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:43:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-10-13 19:43:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-10-13 19:43:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-10-13 19:43:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:43:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:43:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-10-13 19:43:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:43:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 19:43:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:43:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 19:43:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 19:43:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 19:43:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 19:43:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:43:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:43:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:43:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:43:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:43:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:43:36,781 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:43:37,408 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:43:37,408 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 19:43:37,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:37 BoogieIcfgContainer [2020-10-13 19:43:37,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:43:37,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:43:37,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:43:37,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:43:37,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:43:34" (1/3) ... [2020-10-13 19:43:37,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff7658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:37, skipping insertion in model container [2020-10-13 19:43:37,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:35" (2/3) ... [2020-10-13 19:43:37,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff7658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:37, skipping insertion in model container [2020-10-13 19:43:37,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:37" (3/3) ... [2020-10-13 19:43:37,422 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-13 19:43:37,433 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:43:37,443 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:43:37,457 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:43:37,489 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:43:37,489 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:43:37,489 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:43:37,489 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:43:37,489 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:43:37,489 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:43:37,490 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:43:37,490 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:43:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2020-10-13 19:43:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 19:43:37,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:43:37,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2020-10-13 19:43:37,548 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:43:37,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:43:37,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2083768503, now seen corresponding path program 1 times [2020-10-13 19:43:37,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:43:37,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026348366] [2020-10-13 19:43:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:43:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:38,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:41,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:42,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 19:43:42,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 19:43:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 19:43:42,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:43:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-13 19:43:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:43:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:43:43,274 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:43:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:43:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 19:43:43,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:43:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:43:43,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:43:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:43,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:43,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:43:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:43:43,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:43,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:43:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:43:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:43:43,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:43:43,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:43,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:43,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 19:43:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:43,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 19:43:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:43:43,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 19:43:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:43,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 19:43:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:43:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 19:43:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:43,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:43,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:43,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:43,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:43,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 19:43:43,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026348366] [2020-10-13 19:43:43,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:43:43,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:43:43,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112941816] [2020-10-13 19:43:43,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:43:43,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:43:43,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:43:43,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:43:43,644 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 6 states. [2020-10-13 19:43:43,862 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:43:46,699 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 19:43:48,917 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:43:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:43:49,344 INFO L93 Difference]: Finished difference Result 981 states and 1420 transitions. [2020-10-13 19:43:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 19:43:49,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-10-13 19:43:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:43:49,372 INFO L225 Difference]: With dead ends: 981 [2020-10-13 19:43:49,372 INFO L226 Difference]: Without dead ends: 595 [2020-10-13 19:43:49,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:43:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-13 19:43:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 320. [2020-10-13 19:43:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-13 19:43:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 407 transitions. [2020-10-13 19:43:49,526 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 407 transitions. Word has length 91 [2020-10-13 19:43:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:43:49,527 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 407 transitions. [2020-10-13 19:43:49,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 19:43:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 407 transitions. [2020-10-13 19:43:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 19:43:49,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:43:49,533 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-13 19:43:49,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:43:49,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:43:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:43:49,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2026553388, now seen corresponding path program 1 times [2020-10-13 19:43:49,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:43:49,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17179294] [2020-10-13 19:43:49,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:43:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:49,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 19:43:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:43:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 19:43:54,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:43:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 19:43:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:43:54,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,761 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:43:54,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:43:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:43:54,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 19:43:54,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:43:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:54,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:43:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:54,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:43:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:43:54,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:43:54,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:43:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:43:54,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:43:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 19:43:54,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 19:43:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:43:54,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:43:54,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:54,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:43:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:43:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:54,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:54,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:43:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:43:54,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 19:43:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:43:55,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:43:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 19:43:55,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:43:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:43:55,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:43:55,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:43:55,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:55,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:43:55,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:43:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:55,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:55,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 19:43:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:43:55,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:43:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-13 19:43:55,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:43:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:43:55,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:43:55,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:43:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:43:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:55,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:43:55,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 19:43:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:43:55,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:43:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:43:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:43:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:43:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:43:55,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:43:55,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:43:55,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:43:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:43:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-13 19:43:55,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17179294] [2020-10-13 19:43:55,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:43:55,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:43:55,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087582509] [2020-10-13 19:43:55,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:43:55,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:43:55,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:43:55,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:43:55,455 INFO L87 Difference]: Start difference. First operand 320 states and 407 transitions. Second operand 6 states. [2020-10-13 19:43:55,597 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:43:55,841 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-13 19:43:56,037 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 19:44:00,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:00,704 INFO L93 Difference]: Finished difference Result 1181 states and 1643 transitions. [2020-10-13 19:44:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 19:44:00,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2020-10-13 19:44:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:00,715 INFO L225 Difference]: With dead ends: 1181 [2020-10-13 19:44:00,715 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 19:44:00,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:44:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 19:44:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 513. [2020-10-13 19:44:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-13 19:44:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 657 transitions. [2020-10-13 19:44:00,820 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 657 transitions. Word has length 117 [2020-10-13 19:44:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:00,821 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 657 transitions. [2020-10-13 19:44:00,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 19:44:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 657 transitions. [2020-10-13 19:44:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 19:44:00,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:00,824 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-13 19:44:00,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 19:44:00,824 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:00,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:00,825 INFO L82 PathProgramCache]: Analyzing trace with hash -509152252, now seen corresponding path program 1 times [2020-10-13 19:44:00,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:00,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321978570] [2020-10-13 19:44:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:00,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:01,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:05,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:05,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 19:44:05,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:44:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 19:44:05,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:44:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 19:44:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:44:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,164 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 19:44:06,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:06,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:06,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:44:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:06,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:06,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:06,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:44:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:06,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:06,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:44:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:06,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:44:06,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:44:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:06,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:44:06,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 19:44:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 19:44:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:06,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 19:44:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:06,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 19:44:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:06,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 19:44:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:44:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:44:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:06,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 19:44:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 19:44:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:44:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:06,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 19:44:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:06,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:44:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:44:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:06,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:06,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:06,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:06,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-13 19:44:06,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321978570] [2020-10-13 19:44:06,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:44:06,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 19:44:06,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563785410] [2020-10-13 19:44:06,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:44:06,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:06,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:44:06,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:44:06,578 INFO L87 Difference]: Start difference. First operand 513 states and 657 transitions. Second operand 10 states. [2020-10-13 19:44:06,724 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:44:07,569 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 19:44:07,790 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 19:44:07,931 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-13 19:44:08,135 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:08,309 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:44:10,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:10,472 INFO L93 Difference]: Finished difference Result 1185 states and 1584 transitions. [2020-10-13 19:44:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 19:44:10,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-10-13 19:44:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:10,482 INFO L225 Difference]: With dead ends: 1185 [2020-10-13 19:44:10,484 INFO L226 Difference]: Without dead ends: 697 [2020-10-13 19:44:10,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-13 19:44:10,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-10-13 19:44:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 527. [2020-10-13 19:44:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-10-13 19:44:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 679 transitions. [2020-10-13 19:44:10,587 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 679 transitions. Word has length 132 [2020-10-13 19:44:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:10,587 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 679 transitions. [2020-10-13 19:44:10,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 19:44:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 679 transitions. [2020-10-13 19:44:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 19:44:10,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:10,590 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:44:10,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 19:44:10,591 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:10,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:10,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1281815870, now seen corresponding path program 1 times [2020-10-13 19:44:10,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:10,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49802531] [2020-10-13 19:44:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:10,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:10,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:15,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 19:44:15,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:15,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:15,905 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:15,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:15,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:15,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:15,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 19:44:15,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:16,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:16,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:16,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:44:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:16,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 19:44:16,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:16,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 19:44:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:44:16,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 19:44:16,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 19:44:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:16,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 19:44:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:44:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:16,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:16,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 19:44:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:16,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:44:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 19:44:16,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:44:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:16,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 19:44:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:44:16,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:44:16,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:44:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:44:16,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:16,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:44:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:16,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:16,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:16,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:16,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:16,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-13 19:44:16,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49802531] [2020-10-13 19:44:16,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:44:16,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:44:16,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100091732] [2020-10-13 19:44:16,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:44:16,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:16,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:44:16,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:44:16,628 INFO L87 Difference]: Start difference. First operand 527 states and 679 transitions. Second operand 9 states. [2020-10-13 19:44:16,758 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:17,308 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 19:44:19,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:19,871 INFO L93 Difference]: Finished difference Result 1218 states and 1623 transitions. [2020-10-13 19:44:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 19:44:19,871 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-13 19:44:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:19,878 INFO L225 Difference]: With dead ends: 1218 [2020-10-13 19:44:19,878 INFO L226 Difference]: Without dead ends: 694 [2020-10-13 19:44:19,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-13 19:44:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-13 19:44:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 524. [2020-10-13 19:44:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-13 19:44:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 672 transitions. [2020-10-13 19:44:19,973 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 672 transitions. Word has length 143 [2020-10-13 19:44:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:19,973 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 672 transitions. [2020-10-13 19:44:19,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:44:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 672 transitions. [2020-10-13 19:44:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 19:44:19,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:19,983 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:44:19,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 19:44:19,983 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:19,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:19,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1830402431, now seen corresponding path program 1 times [2020-10-13 19:44:19,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:19,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625742236] [2020-10-13 19:44:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:20,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:21,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:21,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 19:44:25,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:44:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 19:44:25,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:44:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-13 19:44:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:44:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,271 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 19:44:25,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:25,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:25,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:25,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:25,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:44:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:44:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:44:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:44:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:44:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:44:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:44:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:44:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:44:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 19:44:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:44:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 19:44:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 19:44:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:25,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:25,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 19:44:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:25,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:44:25,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:25,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:25,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 19:44:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:25,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:44:25,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:44:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:25,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:25,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:25,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:25,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:25,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:25,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:25,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-13 19:44:25,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625742236] [2020-10-13 19:44:25,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:44:25,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 19:44:25,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32289833] [2020-10-13 19:44:25,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:44:25,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:25,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:44:25,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:44:25,586 INFO L87 Difference]: Start difference. First operand 524 states and 672 transitions. Second operand 10 states. [2020-10-13 19:44:25,738 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:44:26,488 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:26,702 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:26,895 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:29,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:29,492 INFO L93 Difference]: Finished difference Result 1195 states and 1592 transitions. [2020-10-13 19:44:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 19:44:29,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2020-10-13 19:44:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:29,506 INFO L225 Difference]: With dead ends: 1195 [2020-10-13 19:44:29,506 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 19:44:29,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-13 19:44:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 19:44:29,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 528. [2020-10-13 19:44:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-13 19:44:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 676 transitions. [2020-10-13 19:44:29,618 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 676 transitions. Word has length 138 [2020-10-13 19:44:29,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:29,621 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 676 transitions. [2020-10-13 19:44:29,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 19:44:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 676 transitions. [2020-10-13 19:44:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 19:44:29,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:29,627 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 19:44:29,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 19:44:29,627 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:29,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1246528356, now seen corresponding path program 2 times [2020-10-13 19:44:29,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:29,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588280145] [2020-10-13 19:44:29,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:29,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:31,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:31,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 19:44:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:44:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2208 [2020-10-13 19:44:31,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 19:44:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 19:44:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,079 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:32,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 19:44:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:32,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:32,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:44:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:44:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:44:32,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:44:32,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:44:32,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:44:32,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:44:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:44:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:44:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:44:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:44:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:32,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:44:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:32,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 19:44:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:32,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:44:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:32,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 19:44:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:32,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 19:44:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:32,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:44:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 19:44:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:32,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:44:32,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:44:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:32,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:32,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 19:44:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:44:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:44:32,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:44:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:44:32,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:44:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:32,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:32,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:32,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:32,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 19:44:32,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588280145] [2020-10-13 19:44:32,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:44:32,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 19:44:32,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016354894] [2020-10-13 19:44:32,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 19:44:32,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:32,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 19:44:32,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 19:44:32,361 INFO L87 Difference]: Start difference. First operand 528 states and 676 transitions. Second operand 7 states. [2020-10-13 19:44:32,492 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:44:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:35,581 INFO L93 Difference]: Finished difference Result 1275 states and 1720 transitions. [2020-10-13 19:44:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 19:44:35,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-10-13 19:44:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:35,588 INFO L225 Difference]: With dead ends: 1275 [2020-10-13 19:44:35,588 INFO L226 Difference]: Without dead ends: 772 [2020-10-13 19:44:35,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:44:35,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-13 19:44:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 542. [2020-10-13 19:44:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-13 19:44:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 696 transitions. [2020-10-13 19:44:35,658 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 696 transitions. Word has length 144 [2020-10-13 19:44:35,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:35,659 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 696 transitions. [2020-10-13 19:44:35,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 19:44:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 696 transitions. [2020-10-13 19:44:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 19:44:35,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:35,661 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:44:35,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 19:44:35,662 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:35,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:35,662 INFO L82 PathProgramCache]: Analyzing trace with hash 898117900, now seen corresponding path program 1 times [2020-10-13 19:44:35,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:35,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344151635] [2020-10-13 19:44:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:35,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:35,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:36,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:44:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 19:44:40,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:44:40,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:40,917 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:40,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:40,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 19:44:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:40,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:40,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:40,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:40,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:44:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:44:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 19:44:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:44:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 19:44:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:41,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:41,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:44:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:44:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:44:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:41,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 19:44:41,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:44:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:41,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:41,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:41,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 19:44:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:41,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:44:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-13 19:44:41,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:44:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:41,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:41,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:41,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 19:44:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:44:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-13 19:44:41,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344151635] [2020-10-13 19:44:41,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:44:41,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 19:44:41,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093077063] [2020-10-13 19:44:41,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:44:41,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:41,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:44:41,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:44:41,483 INFO L87 Difference]: Start difference. First operand 542 states and 696 transitions. Second operand 10 states. [2020-10-13 19:44:41,629 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:42,211 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:44:42,416 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:44:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:44,372 INFO L93 Difference]: Finished difference Result 1241 states and 1644 transitions. [2020-10-13 19:44:44,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 19:44:44,373 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-13 19:44:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:44,382 INFO L225 Difference]: With dead ends: 1241 [2020-10-13 19:44:44,382 INFO L226 Difference]: Without dead ends: 706 [2020-10-13 19:44:44,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-10-13 19:44:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-13 19:44:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 542. [2020-10-13 19:44:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-13 19:44:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 694 transitions. [2020-10-13 19:44:44,444 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 694 transitions. Word has length 146 [2020-10-13 19:44:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:44,445 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 694 transitions. [2020-10-13 19:44:44,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 19:44:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 694 transitions. [2020-10-13 19:44:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 19:44:44,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:44,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:44:44,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 19:44:44,448 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:44,448 INFO L82 PathProgramCache]: Analyzing trace with hash -968590774, now seen corresponding path program 1 times [2020-10-13 19:44:44,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:44,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463391560] [2020-10-13 19:44:44,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:44,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:44,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:44,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:44:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-13 19:44:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,651 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:49,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:44:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:44:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:44:49,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:44:49,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:44:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:49,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:44:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:44:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:49,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:44:49,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:49,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:49,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 19:44:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:49,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:49,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 19:44:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:50,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 19:44:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:50,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:50,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:50,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:50,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:50,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:50,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:50,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-13 19:44:50,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463391560] [2020-10-13 19:44:50,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:44:50,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:44:50,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463124126] [2020-10-13 19:44:50,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:44:50,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:50,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:44:50,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:44:50,110 INFO L87 Difference]: Start difference. First operand 542 states and 694 transitions. Second operand 9 states. [2020-10-13 19:44:50,260 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:51,100 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 19:44:51,758 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:44:51,912 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 19:44:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:44:52,916 INFO L93 Difference]: Finished difference Result 1233 states and 1636 transitions. [2020-10-13 19:44:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 19:44:52,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-13 19:44:52,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:44:52,923 INFO L225 Difference]: With dead ends: 1233 [2020-10-13 19:44:52,923 INFO L226 Difference]: Without dead ends: 716 [2020-10-13 19:44:52,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:44:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-13 19:44:52,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 546. [2020-10-13 19:44:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-10-13 19:44:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 700 transitions. [2020-10-13 19:44:52,998 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 700 transitions. Word has length 146 [2020-10-13 19:44:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:44:52,999 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 700 transitions. [2020-10-13 19:44:52,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:44:52,999 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 700 transitions. [2020-10-13 19:44:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 19:44:53,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:44:53,002 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:44:53,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 19:44:53,002 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:44:53,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:44:53,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1675006960, now seen corresponding path program 1 times [2020-10-13 19:44:53,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:44:53,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218295923] [2020-10-13 19:44:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:44:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:53,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 19:44:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:44:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-13 19:44:58,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:44:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 19:44:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:58,366 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:44:58,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:44:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:44:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:58,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:58,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:44:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:44:58,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:44:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:44:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:44:58,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:58,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:58,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:44:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:44:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:44:58,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:58,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:44:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:44:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:58,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:58,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:44:58,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:44:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:44:58,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:44:58,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:44:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:44:58,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:44:58,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 19:44:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:44:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 19:44:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:44:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:44:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:44:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:44:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:44:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:44:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:44:58,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:44:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:44:58,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:44:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-13 19:44:58,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218295923] [2020-10-13 19:44:58,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:44:58,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 19:44:58,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517747090] [2020-10-13 19:44:58,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:44:58,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:44:58,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:44:58,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:44:58,828 INFO L87 Difference]: Start difference. First operand 546 states and 700 transitions. Second operand 13 states. [2020-10-13 19:44:58,975 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:44:59,771 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:00,232 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:00,411 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:00,655 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:00,866 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-13 19:45:01,457 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:01,639 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:03,613 INFO L93 Difference]: Finished difference Result 1233 states and 1634 transitions. [2020-10-13 19:45:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 19:45:03,613 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2020-10-13 19:45:03,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:03,619 INFO L225 Difference]: With dead ends: 1233 [2020-10-13 19:45:03,619 INFO L226 Difference]: Without dead ends: 712 [2020-10-13 19:45:03,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-10-13 19:45:03,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-13 19:45:03,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 551. [2020-10-13 19:45:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-10-13 19:45:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 708 transitions. [2020-10-13 19:45:03,691 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 708 transitions. Word has length 152 [2020-10-13 19:45:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:03,692 INFO L479 AbstractCegarLoop]: Abstraction has 551 states and 708 transitions. [2020-10-13 19:45:03,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:45:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 708 transitions. [2020-10-13 19:45:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 19:45:03,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:03,695 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:03,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 19:45:03,695 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:03,695 INFO L82 PathProgramCache]: Analyzing trace with hash -264689584, now seen corresponding path program 2 times [2020-10-13 19:45:03,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:03,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798950048] [2020-10-13 19:45:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:03,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:04,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:45:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,905 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:08,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:08,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:45:08,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:08,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:08,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:08,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:45:08,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:08,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:08,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:08,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:09,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:45:09,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 19:45:09,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:45:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 19:45:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:45:09,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:45:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:45:09,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:45:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:45:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:45:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:09,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 19:45:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:09,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 19:45:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:09,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:45:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-13 19:45:09,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798950048] [2020-10-13 19:45:09,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:45:09,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 19:45:09,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129007568] [2020-10-13 19:45:09,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:45:09,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:09,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:45:09,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:45:09,415 INFO L87 Difference]: Start difference. First operand 551 states and 708 transitions. Second operand 13 states. [2020-10-13 19:45:09,570 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:10,305 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 19:45:10,742 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:10,945 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:11,140 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:11,328 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:11,511 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:11,712 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-13 19:45:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:13,422 INFO L93 Difference]: Finished difference Result 1238 states and 1640 transitions. [2020-10-13 19:45:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 19:45:13,423 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 164 [2020-10-13 19:45:13,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:13,428 INFO L225 Difference]: With dead ends: 1238 [2020-10-13 19:45:13,428 INFO L226 Difference]: Without dead ends: 712 [2020-10-13 19:45:13,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-10-13 19:45:13,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-13 19:45:13,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 553. [2020-10-13 19:45:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-13 19:45:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 711 transitions. [2020-10-13 19:45:13,497 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 711 transitions. Word has length 164 [2020-10-13 19:45:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:13,498 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 711 transitions. [2020-10-13 19:45:13,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:45:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 711 transitions. [2020-10-13 19:45:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 19:45:13,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:13,500 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:13,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 19:45:13,501 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:13,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:13,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1234980591, now seen corresponding path program 3 times [2020-10-13 19:45:13,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:13,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876829569] [2020-10-13 19:45:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 19:45:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:45:18,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,751 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:18,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:18,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 19:45:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 19:45:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:18,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:45:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 19:45:18,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:18,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:45:18,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:18,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:18,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:18,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:18,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:18,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:19,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 19:45:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 19:45:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:19,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:19,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:19,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:19,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:19,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 19:45:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:19,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:45:19,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:45:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:19,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:19,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:19,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:19,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 19:45:19,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876829569] [2020-10-13 19:45:19,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:45:19,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 19:45:19,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360444952] [2020-10-13 19:45:19,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 19:45:19,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:19,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 19:45:19,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:45:19,253 INFO L87 Difference]: Start difference. First operand 553 states and 711 transitions. Second operand 11 states. [2020-10-13 19:45:19,399 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:20,556 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:20,745 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:20,922 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:21,114 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:21,284 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:22,936 INFO L93 Difference]: Finished difference Result 1184 states and 1544 transitions. [2020-10-13 19:45:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:45:22,936 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2020-10-13 19:45:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:22,941 INFO L225 Difference]: With dead ends: 1184 [2020-10-13 19:45:22,941 INFO L226 Difference]: Without dead ends: 656 [2020-10-13 19:45:22,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-13 19:45:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-13 19:45:23,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 558. [2020-10-13 19:45:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-13 19:45:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 716 transitions. [2020-10-13 19:45:23,012 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 716 transitions. Word has length 164 [2020-10-13 19:45:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:23,013 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 716 transitions. [2020-10-13 19:45:23,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 19:45:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 716 transitions. [2020-10-13 19:45:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 19:45:23,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:23,016 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:23,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 19:45:23,017 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1646969893, now seen corresponding path program 4 times [2020-10-13 19:45:23,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:23,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7968478] [2020-10-13 19:45:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:26,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:26,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 19:45:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:45:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 19:45:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 19:45:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,256 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:45:28,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:45:28,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:45:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 19:45:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:45:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 19:45:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:28,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:28,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:45:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 19:45:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:28,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:28,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:45:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:28,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:28,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:28,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:28,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:28,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-13 19:45:28,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7968478] [2020-10-13 19:45:28,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:45:28,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 19:45:28,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405532324] [2020-10-13 19:45:28,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:45:28,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:28,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:45:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:45:28,552 INFO L87 Difference]: Start difference. First operand 558 states and 716 transitions. Second operand 9 states. [2020-10-13 19:45:28,706 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:29,696 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:30,426 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:30,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:31,751 INFO L93 Difference]: Finished difference Result 1191 states and 1550 transitions. [2020-10-13 19:45:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 19:45:31,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-10-13 19:45:31,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:31,756 INFO L225 Difference]: With dead ends: 1191 [2020-10-13 19:45:31,756 INFO L226 Difference]: Without dead ends: 658 [2020-10-13 19:45:31,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:45:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-10-13 19:45:31,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 560. [2020-10-13 19:45:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 19:45:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 718 transitions. [2020-10-13 19:45:31,826 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 718 transitions. Word has length 152 [2020-10-13 19:45:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:31,826 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 718 transitions. [2020-10-13 19:45:31,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:45:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 718 transitions. [2020-10-13 19:45:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-13 19:45:31,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:31,831 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:31,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 19:45:31,831 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:31,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:31,832 INFO L82 PathProgramCache]: Analyzing trace with hash -298708341, now seen corresponding path program 1 times [2020-10-13 19:45:31,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:31,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468957735] [2020-10-13 19:45:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:31,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:32,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:36,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 19:45:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,103 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:37,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:37,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:45:37,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:37,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:45:37,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:45:37,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:37,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:45:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:37,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:45:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:37,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:45:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:37,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:37,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 19:45:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 19:45:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:45:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 19:45:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:37,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 19:45:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:45:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:45:37,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 19:45:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:37,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:37,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:37,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:37,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:37,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:37,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:37,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:37,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-13 19:45:37,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468957735] [2020-10-13 19:45:37,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:45:37,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 19:45:37,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050440144] [2020-10-13 19:45:37,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 19:45:37,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:37,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 19:45:37,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-10-13 19:45:37,739 INFO L87 Difference]: Start difference. First operand 560 states and 718 transitions. Second operand 16 states. [2020-10-13 19:45:37,902 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:38,421 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:38,613 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 19:45:39,787 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:40,024 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:45:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:42,425 INFO L93 Difference]: Finished difference Result 1189 states and 1545 transitions. [2020-10-13 19:45:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 19:45:42,426 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 170 [2020-10-13 19:45:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:42,430 INFO L225 Difference]: With dead ends: 1189 [2020-10-13 19:45:42,431 INFO L226 Difference]: Without dead ends: 654 [2020-10-13 19:45:42,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2020-10-13 19:45:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-10-13 19:45:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 562. [2020-10-13 19:45:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-13 19:45:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 721 transitions. [2020-10-13 19:45:42,500 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 721 transitions. Word has length 170 [2020-10-13 19:45:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:42,501 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 721 transitions. [2020-10-13 19:45:42,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 19:45:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 721 transitions. [2020-10-13 19:45:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 19:45:42,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:42,504 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:42,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 19:45:42,504 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:42,505 INFO L82 PathProgramCache]: Analyzing trace with hash 463622596, now seen corresponding path program 1 times [2020-10-13 19:45:42,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:42,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575237407] [2020-10-13 19:45:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:43,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4127 [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:45:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-13 19:45:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:45:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,874 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:46,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:46,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:46,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:46,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:46,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:45:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 19:45:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:47,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:47,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:47,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 19:45:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:45:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:47,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:47,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:47,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:47,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:45:47,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:47,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:45:47,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:47,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-13 19:45:47,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575237407] [2020-10-13 19:45:47,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:45:47,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 19:45:47,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500584674] [2020-10-13 19:45:47,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 19:45:47,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:47,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 19:45:47,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:45:47,235 INFO L87 Difference]: Start difference. First operand 562 states and 721 transitions. Second operand 11 states. [2020-10-13 19:45:47,364 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:48,126 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 19:45:48,347 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:48,514 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:45:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:45:50,620 INFO L93 Difference]: Finished difference Result 1195 states and 1552 transitions. [2020-10-13 19:45:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 19:45:50,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2020-10-13 19:45:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:45:50,624 INFO L225 Difference]: With dead ends: 1195 [2020-10-13 19:45:50,624 INFO L226 Difference]: Without dead ends: 658 [2020-10-13 19:45:50,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-10-13 19:45:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-10-13 19:45:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 564. [2020-10-13 19:45:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-13 19:45:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 723 transitions. [2020-10-13 19:45:50,698 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 723 transitions. Word has length 152 [2020-10-13 19:45:50,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:45:50,699 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 723 transitions. [2020-10-13 19:45:50,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 19:45:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 723 transitions. [2020-10-13 19:45:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 19:45:50,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:45:50,702 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:45:50,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 19:45:50,702 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:45:50,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:45:50,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1827165207, now seen corresponding path program 2 times [2020-10-13 19:45:50,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:45:50,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297134259] [2020-10-13 19:45:50,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:45:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:50,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1745 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 19:45:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,670 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:45:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:45:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:45:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:45:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:45:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:45:52,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:52,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:45:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:45:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:45:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:45:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:52,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:45:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:45:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:45:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:45:52,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 19:45:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:52,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:52,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:45:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:45:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:45:52,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:45:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 19:45:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:45:52,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:45:52,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 19:45:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:52,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:52,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:52,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:52,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:52,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:45:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:45:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:53,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 19:45:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:53,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:45:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:45:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:53,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:53,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:45:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 19:45:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:45:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:45:53,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:45:53,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:53,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:45:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 19:45:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:45:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:45:53,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:45:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:45:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:45:53,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:45:53,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:45:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:45:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:45:53,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:45:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:45:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:45:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:45:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:45:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:45:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:45:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:45:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:45:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-13 19:45:53,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297134259] [2020-10-13 19:45:53,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:45:53,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 19:45:53,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534404305] [2020-10-13 19:45:53,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 19:45:53,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:45:53,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 19:45:53,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:45:53,179 INFO L87 Difference]: Start difference. First operand 564 states and 723 transitions. Second operand 11 states. [2020-10-13 19:45:53,338 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:45:53,670 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 19:45:54,089 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:45:54,297 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 19:45:54,473 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:45:54,650 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-13 19:45:55,540 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 19:45:55,768 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:46:01,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:01,138 INFO L93 Difference]: Finished difference Result 1777 states and 2321 transitions. [2020-10-13 19:46:01,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 19:46:01,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-13 19:46:01,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:01,149 INFO L225 Difference]: With dead ends: 1777 [2020-10-13 19:46:01,149 INFO L226 Difference]: Without dead ends: 1238 [2020-10-13 19:46:01,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-10-13 19:46:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2020-10-13 19:46:01,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1091. [2020-10-13 19:46:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-10-13 19:46:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1421 transitions. [2020-10-13 19:46:01,400 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1421 transitions. Word has length 158 [2020-10-13 19:46:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:01,401 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1421 transitions. [2020-10-13 19:46:01,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 19:46:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1421 transitions. [2020-10-13 19:46:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 19:46:01,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:01,406 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 19:46:01,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 19:46:01,406 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:01,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:01,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2089994046, now seen corresponding path program 3 times [2020-10-13 19:46:01,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:01,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747295501] [2020-10-13 19:46:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:01,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:03,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:04,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 19:46:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:46:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3310 [2020-10-13 19:46:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 19:46:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 19:46:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:04,936 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:04,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:04,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:04,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:04,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:04,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:04,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:04,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:04,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:04,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:04,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:04,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:04,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:04,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:05,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:46:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:46:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:05,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:46:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:46:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:46:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:46:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:05,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 19:46:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 19:46:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 19:46:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 19:46:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 19:46:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 19:46:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 19:46:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:05,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 19:46:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:05,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:05,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:05,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:05,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:05,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:05,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-13 19:46:05,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747295501] [2020-10-13 19:46:05,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:05,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 19:46:05,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10666473] [2020-10-13 19:46:05,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:46:05,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:05,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:46:05,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:46:05,124 INFO L87 Difference]: Start difference. First operand 1091 states and 1421 transitions. Second operand 8 states. [2020-10-13 19:46:05,273 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:46:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:08,533 INFO L93 Difference]: Finished difference Result 2592 states and 3560 transitions. [2020-10-13 19:46:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 19:46:08,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-10-13 19:46:08,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:08,544 INFO L225 Difference]: With dead ends: 2592 [2020-10-13 19:46:08,544 INFO L226 Difference]: Without dead ends: 1539 [2020-10-13 19:46:08,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:46:08,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2020-10-13 19:46:08,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1183. [2020-10-13 19:46:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-13 19:46:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1569 transitions. [2020-10-13 19:46:08,715 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1569 transitions. Word has length 157 [2020-10-13 19:46:08,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:08,715 INFO L479 AbstractCegarLoop]: Abstraction has 1183 states and 1569 transitions. [2020-10-13 19:46:08,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:46:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1569 transitions. [2020-10-13 19:46:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-13 19:46:08,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:08,719 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:46:08,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 19:46:08,722 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:08,722 INFO L82 PathProgramCache]: Analyzing trace with hash -592350024, now seen corresponding path program 1 times [2020-10-13 19:46:08,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:08,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796638503] [2020-10-13 19:46:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:08,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:08,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3327 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 19:46:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,291 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 19:46:12,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:46:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:46:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 19:46:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 19:46:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:12,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:46:12,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:46:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:46:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:46:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:12,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:46:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:46:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:46:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 19:46:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 19:46:12,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 19:46:12,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:46:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 19:46:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:12,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 19:46:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:12,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:12,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:46:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:46:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:46:12,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 19:46:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:46:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:12,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:46:12,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:12,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:12,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 19:46:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:12,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:46:12,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:12,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:12,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 19:46:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:12,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:46:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:12,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:12,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:12,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 19:46:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:12,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:12,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:12,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:12,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:12,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:12,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 19:46:12,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796638503] [2020-10-13 19:46:12,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:12,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 19:46:12,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125211041] [2020-10-13 19:46:12,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 19:46:12,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:13,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 19:46:13,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-13 19:46:13,000 INFO L87 Difference]: Start difference. First operand 1183 states and 1569 transitions. Second operand 15 states. [2020-10-13 19:46:13,159 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:46:13,490 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 19:46:13,762 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:46:14,127 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:46:14,556 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2020-10-13 19:46:17,382 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:46:17,670 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 19:46:17,857 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 19:46:18,054 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:46:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:19,986 INFO L93 Difference]: Finished difference Result 2563 states and 3426 transitions. [2020-10-13 19:46:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 19:46:19,986 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 169 [2020-10-13 19:46:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:19,999 INFO L225 Difference]: With dead ends: 2563 [2020-10-13 19:46:19,999 INFO L226 Difference]: Without dead ends: 1938 [2020-10-13 19:46:20,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-13 19:46:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2020-10-13 19:46:20,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1703. [2020-10-13 19:46:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-10-13 19:46:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2275 transitions. [2020-10-13 19:46:20,232 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2275 transitions. Word has length 169 [2020-10-13 19:46:20,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:20,232 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 2275 transitions. [2020-10-13 19:46:20,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 19:46:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2275 transitions. [2020-10-13 19:46:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 19:46:20,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:20,236 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-13 19:46:20,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 19:46:20,237 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:20,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:20,237 INFO L82 PathProgramCache]: Analyzing trace with hash 458364433, now seen corresponding path program 1 times [2020-10-13 19:46:20,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:20,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403914505] [2020-10-13 19:46:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:20,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:20,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 19:46:25,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 19:46:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,460 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:25,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:25,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:25,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:46:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:46:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:46:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:46:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:46:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:46:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 19:46:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 19:46:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 19:46:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 19:46:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 19:46:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 19:46:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 19:46:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 19:46:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:25,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:25,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 19:46:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 19:46:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:25,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 19:46:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 19:46:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 19:46:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:46:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 19:46:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:25,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:25,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:25,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:25,881 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-13 19:46:25,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403914505] [2020-10-13 19:46:25,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:25,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 19:46:25,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862847596] [2020-10-13 19:46:25,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 19:46:25,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:25,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 19:46:25,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-13 19:46:25,883 INFO L87 Difference]: Start difference. First operand 1703 states and 2275 transitions. Second operand 13 states. [2020-10-13 19:46:26,031 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:46:26,463 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-13 19:46:26,622 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:46:30,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:30,120 INFO L93 Difference]: Finished difference Result 3707 states and 5056 transitions. [2020-10-13 19:46:30,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:46:30,121 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-13 19:46:30,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:30,134 INFO L225 Difference]: With dead ends: 3707 [2020-10-13 19:46:30,134 INFO L226 Difference]: Without dead ends: 2042 [2020-10-13 19:46:30,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2020-10-13 19:46:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2020-10-13 19:46:30,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 1739. [2020-10-13 19:46:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2020-10-13 19:46:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2311 transitions. [2020-10-13 19:46:30,480 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2311 transitions. Word has length 176 [2020-10-13 19:46:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:30,480 INFO L479 AbstractCegarLoop]: Abstraction has 1739 states and 2311 transitions. [2020-10-13 19:46:30,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 19:46:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2311 transitions. [2020-10-13 19:46:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-13 19:46:30,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:30,484 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 19:46:30,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 19:46:30,485 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:30,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:30,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1159411756, now seen corresponding path program 4 times [2020-10-13 19:46:30,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:30,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680148674] [2020-10-13 19:46:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:30,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:33,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3365 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 19:46:33,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 19:46:33,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,079 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:34,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:46:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:46:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:34,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:34,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:46:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:46:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:46:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 19:46:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 19:46:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 19:46:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 19:46:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 19:46:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 19:46:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 19:46:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 19:46:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 19:46:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 19:46:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 19:46:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:34,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:34,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:34,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:34,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:34,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:34,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-13 19:46:34,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680148674] [2020-10-13 19:46:34,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:34,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 19:46:34,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766621049] [2020-10-13 19:46:34,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:46:34,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:34,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:46:34,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:46:34,278 INFO L87 Difference]: Start difference. First operand 1739 states and 2311 transitions. Second operand 9 states. [2020-10-13 19:46:34,419 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 19:46:38,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:38,077 INFO L93 Difference]: Finished difference Result 4235 states and 5914 transitions. [2020-10-13 19:46:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 19:46:38,078 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-10-13 19:46:38,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:38,093 INFO L225 Difference]: With dead ends: 4235 [2020-10-13 19:46:38,093 INFO L226 Difference]: Without dead ends: 2534 [2020-10-13 19:46:38,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:46:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-10-13 19:46:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 1889. [2020-10-13 19:46:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1889 states. [2020-10-13 19:46:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2545 transitions. [2020-10-13 19:46:38,317 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2545 transitions. Word has length 170 [2020-10-13 19:46:38,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:38,318 INFO L479 AbstractCegarLoop]: Abstraction has 1889 states and 2545 transitions. [2020-10-13 19:46:38,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:46:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2545 transitions. [2020-10-13 19:46:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-13 19:46:38,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:38,321 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:46:38,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 19:46:38,322 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:38,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:38,322 INFO L82 PathProgramCache]: Analyzing trace with hash -646295502, now seen corresponding path program 1 times [2020-10-13 19:46:38,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:38,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679878013] [2020-10-13 19:46:38,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:38,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1974 [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 19:46:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 19:46:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,508 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:46:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:46:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:46:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:46:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:46:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 19:46:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 19:46:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 19:46:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 19:46:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:46:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:40,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 19:46:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 19:46:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:46:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:40,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:40,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:40,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 19:46:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:46:40,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:46:40,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 19:46:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:40,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:40,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 19:46:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 19:46:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:40,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:40,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:40,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 19:46:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:41,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:41,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:46:41,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:41,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:41,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:41,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:41,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:41,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:41,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:41,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:41,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:41,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:41,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:41,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:41,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:41,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:41,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:41,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-13 19:46:41,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679878013] [2020-10-13 19:46:41,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:41,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 19:46:41,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225600666] [2020-10-13 19:46:41,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 19:46:41,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:41,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 19:46:41,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-13 19:46:41,052 INFO L87 Difference]: Start difference. First operand 1889 states and 2545 transitions. Second operand 12 states. [2020-10-13 19:46:41,212 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:46:41,538 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 19:46:41,980 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 19:46:42,205 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 19:46:42,551 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 19:46:42,745 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 19:46:42,931 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-13 19:46:43,686 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 19:46:43,982 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:46:44,395 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-13 19:46:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:46:49,626 INFO L93 Difference]: Finished difference Result 3464 states and 4657 transitions. [2020-10-13 19:46:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 19:46:49,627 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-10-13 19:46:49,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:46:49,639 INFO L225 Difference]: With dead ends: 3464 [2020-10-13 19:46:49,639 INFO L226 Difference]: Without dead ends: 2195 [2020-10-13 19:46:49,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-13 19:46:49,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2020-10-13 19:46:49,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1909. [2020-10-13 19:46:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2020-10-13 19:46:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2575 transitions. [2020-10-13 19:46:49,940 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2575 transitions. Word has length 178 [2020-10-13 19:46:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:46:49,941 INFO L479 AbstractCegarLoop]: Abstraction has 1909 states and 2575 transitions. [2020-10-13 19:46:49,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 19:46:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2575 transitions. [2020-10-13 19:46:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 19:46:49,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:46:49,946 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:46:49,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 19:46:49,947 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:46:49,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:46:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash 202283905, now seen corresponding path program 1 times [2020-10-13 19:46:49,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:46:49,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916239285] [2020-10-13 19:46:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:46:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:50,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:50,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-13 19:46:55,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:46:55,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-13 19:46:55,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 19:46:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:46:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 19:46:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,284 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 19:46:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:46:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:55,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 19:46:55,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:46:55,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:46:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:55,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:46:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 19:46:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:46:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 19:46:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:46:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:46:55,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:46:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:46:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:46:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 19:46:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 19:46:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 19:46:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:55,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 19:46:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 19:46:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:55,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:46:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:46:55,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:55,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:46:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:46:55,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 19:46:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 19:46:55,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:46:55,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 19:46:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:55,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:46:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:55,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:46:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:55,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 19:46:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:55,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 19:46:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 19:46:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:46:56,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:46:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:46:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 19:46:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:46:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:46:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:46:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:46:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:46:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:46:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 19:46:56,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916239285] [2020-10-13 19:46:56,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:46:56,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 19:46:56,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991779718] [2020-10-13 19:46:56,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 19:46:56,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:46:56,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 19:46:56,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-13 19:46:56,081 INFO L87 Difference]: Start difference. First operand 1909 states and 2575 transitions. Second operand 16 states. [2020-10-13 19:46:56,248 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 19:46:56,566 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 19:46:56,854 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:46:57,121 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 19:46:57,491 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-13 19:46:57,779 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-13 19:46:57,988 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 161