/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=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-eb0fd7c [2020-09-21 12:02:58,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:02:58,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:02:58,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:02:58,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:02:58,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:02:58,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:02:58,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:02:58,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:02:58,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:02:58,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:02:58,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:02:58,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:02:58,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:02:58,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:02:58,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:02:58,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:02:58,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:02:58,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:02:58,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:02:58,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:02:58,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:02:58,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:02:58,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:02:58,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:02:58,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:02:58,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:02:58,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:02:58,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:02:58,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:02:58,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:02:58,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:02:58,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:02:58,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:02:58,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:02:58,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:02:58,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:02:58,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:02:58,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:02:58,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:02:58,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:02:58,458 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 [2020-09-21 12:02:58,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:02:58,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:02:58,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:02:58,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:02:58,512 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:02:58,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:02:58,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:02:58,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:02:58,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:02:58,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:02:58,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:02:58,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:02:58,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:02:58,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:02:58,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:02:58,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:02:58,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:02:58,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:02:58,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:02:58,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:02:58,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:02:58,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:02:58,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:02:58,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:02:58,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:02:58,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:02:58,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 12:02:58,518 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 12:02:58,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:02:58,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:02:58,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:02:58,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:02:58,984 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:02:58,985 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-21 12:02:59,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f3a115cb/171e995e5da24257b734af1c5cafa494/FLAG11c18d7e9 [2020-09-21 12:02:59,825 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:02:59,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-21 12:02:59,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f3a115cb/171e995e5da24257b734af1c5cafa494/FLAG11c18d7e9 [2020-09-21 12:02:59,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f3a115cb/171e995e5da24257b734af1c5cafa494 [2020-09-21 12:02:59,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:02:59,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:02:59,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:02:59,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:02:59,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:02:59,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:59" (1/1) ... [2020-09-21 12:02:59,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f39ff7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:59, skipping insertion in model container [2020-09-21 12:02:59,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:59" (1/1) ... [2020-09-21 12:03:00,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:03:00,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:03:00,470 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-21 12:03:00,471 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] [2020-09-21 12:03:00,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:03:01,011 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:03:01,072 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-21 12:03:01,073 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] [2020-09-21 12:03:01,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:03:01,216 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:03:01,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01 WrapperNode [2020-09-21 12:03:01,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:03:01,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:03:01,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:03:01,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:03:01,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (1/1) ... [2020-09-21 12:03:01,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:03:01,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:03:01,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:03:01,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:03:01,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (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 [2020-09-21 12:03:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:03:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:03:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-21 12:03:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-21 12:03:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-21 12:03:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-21 12:03:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-21 12:03:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-21 12:03:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-21 12:03:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:03:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 12:03:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-21 12:03:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-21 12:03:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-21 12:03:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 12:03:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-21 12:03:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 12:03:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-21 12:03:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-21 12:03:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-21 12:03:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-21 12:03:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-21 12:03:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-21 12:03:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-21 12:03:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-21 12:03:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 12:03:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 12:03:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-21 12:03:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-21 12:03:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-21 12:03:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-21 12:03:01,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-21 12:03:01,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-21 12:03:01,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-21 12:03:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-21 12:03:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 12:03:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 12:03:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:03:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-21 12:03:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-21 12:03:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-21 12:03:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-21 12:03:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:03:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-21 12:03:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-21 12:03:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-21 12:03:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-21 12:03:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-21 12:03:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 12:03:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-21 12:03:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-21 12:03:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-21 12:03:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:03:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:03:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:03:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-21 12:03:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:03:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-21 12:03:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-21 12:03:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-21 12:03:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-21 12:03:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-21 12:03:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-21 12:03:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:03:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:03:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:03:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-21 12:03:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-21 12:03:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-21 12:03:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 12:03:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 12:03:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-21 12:03:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:03:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-21 12:03:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-21 12:03:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-21 12:03:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-21 12:03:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-21 12:03:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-21 12:03:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:03:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:03:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:03:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:03:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:03:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:03:02,324 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-21 12:03:03,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:03:03,077 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:03:03,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:03:03 BoogieIcfgContainer [2020-09-21 12:03:03,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:03:03,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:03:03,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:03:03,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:03:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:02:59" (1/3) ... [2020-09-21 12:03:03,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5e360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:03:03, skipping insertion in model container [2020-09-21 12:03:03,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:03:01" (2/3) ... [2020-09-21 12:03:03,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5e360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:03:03, skipping insertion in model container [2020-09-21 12:03:03,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:03:03" (3/3) ... [2020-09-21 12:03:03,098 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 [2020-09-21 12:03:03,110 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:03:03,124 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:03:03,148 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:03:03,195 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:03:03,196 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:03:03,196 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:03:03,196 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:03:03,196 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:03:03,196 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:03:03,196 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:03:03,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:03:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2020-09-21 12:03:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 12:03:03,275 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:03,276 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] [2020-09-21 12:03:03,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:03,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:03,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2083768503, now seen corresponding path program 1 times [2020-09-21 12:03:03,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:03,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928196294] [2020-09-21 12:03:03,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:03,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:03,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:03,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:03,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 12:03:03,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:03:03,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:03:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 12:03:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:03:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:04,289 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:04,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:04,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:04,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:04,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:04,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 12:03:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:03:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:04,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:03:04,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:03:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:03:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:04,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:03:04,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:04,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:04,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:04,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 12:03:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 12:03:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 12:03:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:03:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 12:03:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:04,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:04,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:04,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:04,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:04,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:04,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:04,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:04,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 12:03:04,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928196294] [2020-09-21 12:03:04,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:04,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:03:04,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632537958] [2020-09-21 12:03:04,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:03:04,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:04,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:03:04,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:03:04,725 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 10 states. [2020-09-21 12:03:04,999 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 12:03:06,109 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:07,381 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:07,590 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:07,843 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:08,056 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-21 12:03:10,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:10,352 INFO L93 Difference]: Finished difference Result 815 states and 1118 transitions. [2020-09-21 12:03:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:03:10,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-09-21 12:03:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:10,378 INFO L225 Difference]: With dead ends: 815 [2020-09-21 12:03:10,378 INFO L226 Difference]: Without dead ends: 429 [2020-09-21 12:03:10,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:03:10,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-09-21 12:03:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 306. [2020-09-21 12:03:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-21 12:03:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 386 transitions. [2020-09-21 12:03:10,509 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 386 transitions. Word has length 91 [2020-09-21 12:03:10,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:10,509 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 386 transitions. [2020-09-21 12:03:10,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:03:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 386 transitions. [2020-09-21 12:03:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 12:03:10,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:10,516 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, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:10,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:03:10,516 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:10,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:10,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1314856814, now seen corresponding path program 1 times [2020-09-21 12:03:10,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:10,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236310679] [2020-09-21 12:03:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 12:03:10,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:10,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-09-21 12:03:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:03:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:10,876 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:10,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:10,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:10,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:10,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:10,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:10,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:10,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 12:03:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:10,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:10,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:10,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:10,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:10,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:03:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:11,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 12:03:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 12:03:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 12:03:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 12:03:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:03:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 12:03:11,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236310679] [2020-09-21 12:03:11,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:11,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:03:11,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125155577] [2020-09-21 12:03:11,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:03:11,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:11,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:03:11,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:03:11,096 INFO L87 Difference]: Start difference. First operand 306 states and 386 transitions. Second operand 6 states. [2020-09-21 12:03:11,248 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 12:03:14,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:14,312 INFO L93 Difference]: Finished difference Result 722 states and 963 transitions. [2020-09-21 12:03:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:03:14,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-09-21 12:03:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:14,320 INFO L225 Difference]: With dead ends: 722 [2020-09-21 12:03:14,320 INFO L226 Difference]: Without dead ends: 441 [2020-09-21 12:03:14,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:03:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-09-21 12:03:14,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 308. [2020-09-21 12:03:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-21 12:03:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 388 transitions. [2020-09-21 12:03:14,384 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 388 transitions. Word has length 97 [2020-09-21 12:03:14,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:14,385 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 388 transitions. [2020-09-21 12:03:14,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:03:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 388 transitions. [2020-09-21 12:03:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 12:03:14,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:14,388 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-09-21 12:03:14,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:03:14,389 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash -492581383, now seen corresponding path program 1 times [2020-09-21 12:03:14,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:14,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372126668] [2020-09-21 12:03:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:14,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 12:03:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:14,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,724 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:14,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:14,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:03:14,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:14,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 12:03:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:14,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 12:03:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:14,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:14,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 12:03:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:14,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:03:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:14,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:14,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:14,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:14,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:14,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:14,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:14,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:14,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:14,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:14,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:15,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:15,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:15,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:15,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:15,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:15,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:15,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:15,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:15,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-21 12:03:15,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372126668] [2020-09-21 12:03:15,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:15,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:03:15,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257397898] [2020-09-21 12:03:15,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:03:15,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:15,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:03:15,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:03:15,035 INFO L87 Difference]: Start difference. First operand 308 states and 388 transitions. Second operand 6 states. [2020-09-21 12:03:15,211 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 12:03:15,491 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-09-21 12:03:15,692 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-21 12:03:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:19,465 INFO L93 Difference]: Finished difference Result 945 states and 1246 transitions. [2020-09-21 12:03:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:03:19,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-09-21 12:03:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:19,477 INFO L225 Difference]: With dead ends: 945 [2020-09-21 12:03:19,477 INFO L226 Difference]: Without dead ends: 662 [2020-09-21 12:03:19,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:03:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-09-21 12:03:19,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 489. [2020-09-21 12:03:19,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-09-21 12:03:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 617 transitions. [2020-09-21 12:03:19,590 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 617 transitions. Word has length 123 [2020-09-21 12:03:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:19,591 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 617 transitions. [2020-09-21 12:03:19,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:03:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 617 transitions. [2020-09-21 12:03:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-21 12:03:19,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:19,596 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-09-21 12:03:19,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:03:19,597 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:19,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1067393612, now seen corresponding path program 1 times [2020-09-21 12:03:19,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:19,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165771573] [2020-09-21 12:03:19,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:19,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:19,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:19,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:19,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:19,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-21 12:03:19,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:03:19,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-09-21 12:03:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:03:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:19,940 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:19,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:19,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:19,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:19,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:20,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 12:03:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:03:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:20,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:20,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 12:03:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 12:03:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:20,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 12:03:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 12:03:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:20,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 12:03:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:03:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 12:03:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:20,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:20,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:20,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:20,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:20,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:20,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:20,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-21 12:03:20,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165771573] [2020-09-21 12:03:20,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:03:20,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:03:20,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35958117] [2020-09-21 12:03:20,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:03:20,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:20,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:03:20,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:03:20,234 INFO L87 Difference]: Start difference. First operand 489 states and 617 transitions. Second operand 7 states. [2020-09-21 12:03:20,409 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 12:03:23,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:23,856 INFO L93 Difference]: Finished difference Result 1237 states and 1674 transitions. [2020-09-21 12:03:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:03:23,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-21 12:03:23,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:23,864 INFO L225 Difference]: With dead ends: 1237 [2020-09-21 12:03:23,864 INFO L226 Difference]: Without dead ends: 773 [2020-09-21 12:03:23,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:03:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-09-21 12:03:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 541. [2020-09-21 12:03:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-09-21 12:03:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 699 transitions. [2020-09-21 12:03:23,931 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 699 transitions. Word has length 110 [2020-09-21 12:03:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:23,931 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 699 transitions. [2020-09-21 12:03:23,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:03:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 699 transitions. [2020-09-21 12:03:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 12:03:23,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:23,935 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] [2020-09-21 12:03:23,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:03:23,935 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:23,935 INFO L82 PathProgramCache]: Analyzing trace with hash 790920921, now seen corresponding path program 1 times [2020-09-21 12:03:23,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:23,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098236026] [2020-09-21 12:03:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 12:03:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:03:24,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:03:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 12:03:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,249 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:24,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 12:03:24,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:24,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:03:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:03:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:03:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:03:24,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 12:03:24,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:24,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 12:03:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:24,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:03:24,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:24,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:03:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 12:03:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:24,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:24,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:24,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 12:03:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:24,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:03:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:24,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:24,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:24,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:24,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:24,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:24,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:24,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:24,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-21 12:03:24,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098236026] [2020-09-21 12:03:24,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:24,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:03:24,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085863653] [2020-09-21 12:03:24,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:03:24,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:24,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:03:24,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:03:24,750 INFO L87 Difference]: Start difference. First operand 541 states and 699 transitions. Second operand 9 states. [2020-09-21 12:03:24,941 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:25,695 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-09-21 12:03:28,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:28,011 INFO L93 Difference]: Finished difference Result 1246 states and 1663 transitions. [2020-09-21 12:03:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:03:28,011 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2020-09-21 12:03:28,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:28,017 INFO L225 Difference]: With dead ends: 1246 [2020-09-21 12:03:28,017 INFO L226 Difference]: Without dead ends: 708 [2020-09-21 12:03:28,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:03:28,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-09-21 12:03:28,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 538. [2020-09-21 12:03:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-09-21 12:03:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 692 transitions. [2020-09-21 12:03:28,075 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 692 transitions. Word has length 137 [2020-09-21 12:03:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:28,075 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 692 transitions. [2020-09-21 12:03:28,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:03:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 692 transitions. [2020-09-21 12:03:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:03:28,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:28,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:28,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:03:28,079 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:28,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:28,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1536881969, now seen corresponding path program 1 times [2020-09-21 12:03:28,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:28,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834151323] [2020-09-21 12:03:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 12:03:28,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -10 [2020-09-21 12:03:28,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 10 [2020-09-21 12:03:28,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 12:03:28,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:03:28,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:03:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-09-21 12:03:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:28,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:28,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:28,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:28,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:03:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:28,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:03:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:03:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:28,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:03:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:28,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:03:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:03:28,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 12:03:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:28,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:03:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:28,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:28,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 12:03:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:28,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 12:03:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:28,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:28,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:03:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:28,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:28,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:28,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:28,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:28,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:28,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-21 12:03:28,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834151323] [2020-09-21 12:03:28,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:28,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:03:28,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299510531] [2020-09-21 12:03:28,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:03:28,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:28,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:03:28,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:03:28,851 INFO L87 Difference]: Start difference. First operand 538 states and 692 transitions. Second operand 10 states. [2020-09-21 12:03:29,002 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:29,837 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-21 12:03:30,062 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-21 12:03:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:33,139 INFO L93 Difference]: Finished difference Result 1233 states and 1636 transitions. [2020-09-21 12:03:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:03:33,140 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-09-21 12:03:33,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:33,145 INFO L225 Difference]: With dead ends: 1233 [2020-09-21 12:03:33,145 INFO L226 Difference]: Without dead ends: 702 [2020-09-21 12:03:33,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:03:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-21 12:03:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 538. [2020-09-21 12:03:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-09-21 12:03:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 690 transitions. [2020-09-21 12:03:33,204 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 690 transitions. Word has length 152 [2020-09-21 12:03:33,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:33,204 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 690 transitions. [2020-09-21 12:03:33,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:03:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 690 transitions. [2020-09-21 12:03:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:03:33,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:33,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:33,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:03:33,208 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:33,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:33,208 INFO L82 PathProgramCache]: Analyzing trace with hash -436283409, now seen corresponding path program 1 times [2020-09-21 12:03:33,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:33,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132035721] [2020-09-21 12:03:33,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:03:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 12:03:33,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:03:33,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,594 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:33,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:33,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:33,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:03:33,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:33,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:03:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:03:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:03:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:03:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:03:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:03:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:03:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:03:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:03:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:03:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:33,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:03:33,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:03:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:03:33,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:33,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:03:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:33,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:34,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:34,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 12:03:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:03:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 12:03:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:34,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:03:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:34,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-09-21 12:03:34,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132035721] [2020-09-21 12:03:34,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:03:34,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 12:03:34,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176184728] [2020-09-21 12:03:34,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 12:03:34,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:34,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 12:03:34,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:03:34,135 INFO L87 Difference]: Start difference. First operand 538 states and 690 transitions. Second operand 13 states. [2020-09-21 12:03:34,325 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:35,193 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-21 12:03:35,743 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-21 12:03:35,994 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-21 12:03:36,243 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-21 12:03:36,478 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-21 12:03:36,720 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-21 12:03:36,984 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-09-21 12:03:39,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:39,272 INFO L93 Difference]: Finished difference Result 1217 states and 1615 transitions. [2020-09-21 12:03:39,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:03:39,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2020-09-21 12:03:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:39,281 INFO L225 Difference]: With dead ends: 1217 [2020-09-21 12:03:39,281 INFO L226 Difference]: Without dead ends: 704 [2020-09-21 12:03:39,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-09-21 12:03:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-09-21 12:03:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 545. [2020-09-21 12:03:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-21 12:03:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2020-09-21 12:03:39,339 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 152 [2020-09-21 12:03:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:39,341 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2020-09-21 12:03:39,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 12:03:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2020-09-21 12:03:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-21 12:03:39,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:39,345 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] [2020-09-21 12:03:39,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:03:39,346 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:39,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:39,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1538409515, now seen corresponding path program 1 times [2020-09-21 12:03:39,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:39,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909473709] [2020-09-21 12:03:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:03:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-21 12:03:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:03:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,689 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:39,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:39,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:39,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:03:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:39,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:03:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:03:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:03:39,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:03:39,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:03:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:03:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:39,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:03:39,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:39,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:03:39,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:39,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:03:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:39,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:39,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:39,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:39,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:39,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:03:39,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:39,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 12:03:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:40,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:40,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:40,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 12:03:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:03:40,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:40,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 12:03:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:40,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:40,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:40,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:40,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 12:03:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:40,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:03:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:40,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:40,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:40,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:40,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:40,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:40,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-09-21 12:03:40,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909473709] [2020-09-21 12:03:40,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:03:40,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 12:03:40,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775549343] [2020-09-21 12:03:40,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:03:40,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:40,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:03:40,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:03:40,171 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand 11 states. [2020-09-21 12:03:40,342 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:41,677 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 12:03:41,961 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 12:03:42,197 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-09-21 12:03:42,438 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-09-21 12:03:42,666 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-21 12:03:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:44,697 INFO L93 Difference]: Finished difference Result 1168 states and 1528 transitions. [2020-09-21 12:03:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 12:03:44,697 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-09-21 12:03:44,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:44,702 INFO L225 Difference]: With dead ends: 1168 [2020-09-21 12:03:44,702 INFO L226 Difference]: Without dead ends: 648 [2020-09-21 12:03:44,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:03:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-09-21 12:03:44,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 550. [2020-09-21 12:03:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-09-21 12:03:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 707 transitions. [2020-09-21 12:03:44,755 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 707 transitions. Word has length 158 [2020-09-21 12:03:44,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:44,755 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 707 transitions. [2020-09-21 12:03:44,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:03:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 707 transitions. [2020-09-21 12:03:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-21 12:03:44,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:44,759 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:03:44,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:03:44,759 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:44,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:44,759 INFO L82 PathProgramCache]: Analyzing trace with hash -432995670, now seen corresponding path program 2 times [2020-09-21 12:03:44,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:44,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580321886] [2020-09-21 12:03:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:44,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 12:03:44,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -138 [2020-09-21 12:03:44,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 138 [2020-09-21 12:03:44,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:44,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-21 12:03:44,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:44,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:03:44,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:03:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-21 12:03:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,188 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:45,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:03:45,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:45,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:03:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:45,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:03:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:03:45,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:45,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:45,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:45,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:03:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:45,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:45,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 12:03:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:03:45,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:03:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 12:03:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:45,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:03:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:45,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:03:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:45,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 12:03:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:45,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:45,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:03:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:45,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:45,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:45,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:45,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:45,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:45,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:45,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:45,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:45,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-09-21 12:03:45,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580321886] [2020-09-21 12:03:45,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:45,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:03:45,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646426811] [2020-09-21 12:03:45,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:03:45,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:45,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:03:45,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:03:45,615 INFO L87 Difference]: Start difference. First operand 550 states and 707 transitions. Second operand 9 states. [2020-09-21 12:03:45,780 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:46,949 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 12:03:48,031 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 12:03:48,250 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 12:03:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:49,410 INFO L93 Difference]: Finished difference Result 1183 states and 1545 transitions. [2020-09-21 12:03:49,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:03:49,411 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-09-21 12:03:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:49,415 INFO L225 Difference]: With dead ends: 1183 [2020-09-21 12:03:49,415 INFO L226 Difference]: Without dead ends: 658 [2020-09-21 12:03:49,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:03:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-09-21 12:03:49,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 552. [2020-09-21 12:03:49,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-09-21 12:03:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 709 transitions. [2020-09-21 12:03:49,467 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 709 transitions. Word has length 158 [2020-09-21 12:03:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:49,467 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 709 transitions. [2020-09-21 12:03:49,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:03:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 709 transitions. [2020-09-21 12:03:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-21 12:03:49,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:49,470 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] [2020-09-21 12:03:49,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:03:49,470 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:49,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1678294699, now seen corresponding path program 2 times [2020-09-21 12:03:49,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:49,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626194515] [2020-09-21 12:03:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:49,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:49,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:49,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-21 12:03:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-21 12:03:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-21 12:03:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:50,024 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 12:03:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:50,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 12:03:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:03:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:50,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:50,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:50,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 12:03:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:03:50,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:50,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:03:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:50,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:03:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:03:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:03:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 12:03:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:50,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:03:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:50,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:03:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 12:03:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:03:50,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:50,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:03:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 12:03:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:03:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:03:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:03:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:50,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:50,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:50,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:50,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:50,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-21 12:03:50,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626194515] [2020-09-21 12:03:50,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:50,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:03:50,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717000782] [2020-09-21 12:03:50,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:03:50,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:50,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:03:50,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:03:50,563 INFO L87 Difference]: Start difference. First operand 552 states and 709 transitions. Second operand 7 states. [2020-09-21 12:03:50,787 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 12:03:51,190 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-09-21 12:03:51,449 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-21 12:03:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:53,107 INFO L93 Difference]: Finished difference Result 650 states and 851 transitions. [2020-09-21 12:03:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:03:53,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-09-21 12:03:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:53,112 INFO L225 Difference]: With dead ends: 650 [2020-09-21 12:03:53,112 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:03:53,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:03:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:03:53,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:03:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:03:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:03:53,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-09-21 12:03:53,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:53,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:03:53,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:03:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:03:53,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:03:53,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:03:53,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.