/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -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 0.2.0-0f64333 [2020-10-28 05:02:31,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 05:02:31,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 05:02:31,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 05:02:31,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 05:02:31,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 05:02:31,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 05:02:31,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 05:02:31,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 05:02:31,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 05:02:31,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 05:02:31,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 05:02:31,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 05:02:31,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 05:02:31,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 05:02:31,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 05:02:31,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 05:02:31,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 05:02:31,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 05:02:31,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 05:02:31,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 05:02:31,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 05:02:31,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 05:02:31,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 05:02:31,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 05:02:31,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 05:02:31,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 05:02:31,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 05:02:31,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 05:02:31,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 05:02:31,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 05:02:31,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 05:02:31,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 05:02:31,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 05:02:31,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 05:02:31,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 05:02:31,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 05:02:31,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 05:02:31,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 05:02:31,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 05:02:31,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 05:02:31,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 05:02:31,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 05:02:31,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 05:02:31,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 05:02:31,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 05:02:31,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 05:02:31,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 05:02:31,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 05:02:31,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 05:02:31,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 05:02:31,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 05:02:31,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 05:02:31,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 05:02:31,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 05:02:31,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 05:02:31,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 05:02:31,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 05:02:31,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 05:02:31,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 05:02:31,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 05:02:31,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 05:02:31,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 05:02:31,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 05:02:31,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 05:02:31,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 05:02:31,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 05:02:31,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 05:02:31,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 05:02:31,603 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 05:02:31,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 05:02:32,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 05:02:32,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 05:02:32,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 05:02:32,029 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 05:02:32,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-28 05:02:32,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eada2ad64/9660bf2cbc3f4026b40370945d36c60c/FLAG1c3977705 [2020-10-28 05:02:32,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 05:02:32,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-28 05:02:32,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eada2ad64/9660bf2cbc3f4026b40370945d36c60c/FLAG1c3977705 [2020-10-28 05:02:33,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eada2ad64/9660bf2cbc3f4026b40370945d36c60c [2020-10-28 05:02:33,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 05:02:33,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 05:02:33,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 05:02:33,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 05:02:33,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 05:02:33,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:02:33" (1/1) ... [2020-10-28 05:02:33,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21cf3efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:33, skipping insertion in model container [2020-10-28 05:02:33,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:02:33" (1/1) ... [2020-10-28 05:02:33,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 05:02:33,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 05:02:33,519 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2020-10-28 05:02:33,520 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2020-10-28 05:02:33,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:02:33,957 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 05:02:34,014 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2020-10-28 05:02:34,014 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2020-10-28 05:02:34,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:02:34,285 INFO L208 MainTranslator]: Completed translation [2020-10-28 05:02:34,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34 WrapperNode [2020-10-28 05:02:34,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 05:02:34,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 05:02:34,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 05:02:34,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 05:02:34,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... [2020-10-28 05:02:34,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 05:02:34,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 05:02:34,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 05:02:34,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 05:02:34,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 05:02:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 05:02:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 05:02:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 05:02:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-28 05:02:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 05:02:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 05:02:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-28 05:02:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 05:02:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 05:02:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 05:02:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 05:02:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 05:02:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 05:02:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 05:02:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 05:02:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-10-28 05:02:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-10-28 05:02:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-10-28 05:02:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-10-28 05:02:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-10-28 05:02:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-10-28 05:02:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-10-28 05:02:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 05:02:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-28 05:02:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-10-28 05:02:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 05:02:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 05:02:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-10-28 05:02:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-10-28 05:02:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-10-28 05:02:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 05:02:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-28 05:02:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 05:02:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 05:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 05:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 05:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 05:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 05:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-28 05:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 05:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 05:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-28 05:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 05:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 05:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 05:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 05:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 05:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 05:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 05:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 05:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 05:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 05:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 05:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 05:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 05:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 05:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 05:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 05:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-10-28 05:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-10-28 05:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-10-28 05:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-10-28 05:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-10-28 05:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-10-28 05:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-10-28 05:02:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 05:02:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 05:02:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-10-28 05:02:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-10-28 05:02:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-10-28 05:02:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 05:02:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 05:02:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-10-28 05:02:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 05:02:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 05:02:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 05:02:35,640 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 05:02:36,739 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 05:02:36,740 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 05:02:36,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:02:36 BoogieIcfgContainer [2020-10-28 05:02:36,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 05:02:36,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 05:02:36,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 05:02:36,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 05:02:36,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:02:33" (1/3) ... [2020-10-28 05:02:36,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a783ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:02:36, skipping insertion in model container [2020-10-28 05:02:36,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:02:34" (2/3) ... [2020-10-28 05:02:36,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a783ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:02:36, skipping insertion in model container [2020-10-28 05:02:36,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:02:36" (3/3) ... [2020-10-28 05:02:36,753 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-10-28 05:02:36,767 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 05:02:36,774 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 05:02:36,788 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 05:02:36,821 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 05:02:36,822 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 05:02:36,822 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 05:02:36,822 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 05:02:36,822 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 05:02:36,822 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 05:02:36,823 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 05:02:36,823 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 05:02:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-10-28 05:02:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 05:02:36,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:02:36,871 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] [2020-10-28 05:02:36,872 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:02:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:02:36,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1354021836, now seen corresponding path program 1 times [2020-10-28 05:02:36,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:02:36,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63577225] [2020-10-28 05:02:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:02:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:37,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:37,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:38,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:41,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:42,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 05:02:42,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:02:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-10-28 05:02:42,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:02:42,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 05:02:42,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 05:02:42,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 05:02:42,919 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:02:42,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:02:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:42,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 05:02:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:02:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:43,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:02:43,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:43,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:02:43,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:02:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:02:43,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:02:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 05:02:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:43,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 05:02:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:02:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:02:43,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 05:02:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:43,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:43,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 05:02:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:02:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:43,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 05:02:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:02:43,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:02:43,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 05:02:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 05:02:43,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 05:02:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 05:02:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:02:43,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:02:43,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 05:02:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:43,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:43,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:43,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:43,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:43,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:43,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:43,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 05:02:43,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63577225] [2020-10-28 05:02:43,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:02:43,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 05:02:43,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620712737] [2020-10-28 05:02:43,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 05:02:43,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:02:43,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 05:02:43,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:02:43,437 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 6 states. [2020-10-28 05:02:43,880 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:02:47,240 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:02:50,841 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:02:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:02:51,663 INFO L93 Difference]: Finished difference Result 987 states and 1429 transitions. [2020-10-28 05:02:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 05:02:51,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-10-28 05:02:51,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:02:51,709 INFO L225 Difference]: With dead ends: 987 [2020-10-28 05:02:51,710 INFO L226 Difference]: Without dead ends: 597 [2020-10-28 05:02:51,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 05:02:51,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-28 05:02:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 322. [2020-10-28 05:02:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-28 05:02:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 409 transitions. [2020-10-28 05:02:51,893 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 409 transitions. Word has length 93 [2020-10-28 05:02:51,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:02:51,894 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 409 transitions. [2020-10-28 05:02:51,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:02:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 409 transitions. [2020-10-28 05:02:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-28 05:02:51,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:02:51,901 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:02:51,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 05:02:51,902 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:02:51,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:02:51,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1564492320, now seen corresponding path program 1 times [2020-10-28 05:02:51,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:02:51,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042156161] [2020-10-28 05:02:51,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:02:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:51,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:52,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:52,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-28 05:02:57,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:02:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-28 05:02:57,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:02:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 05:02:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:02:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,435 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:02:57,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:02:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:57,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 05:02:57,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:02:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:02:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:57,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:57,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:57,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:57,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:57,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:02:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:02:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:02:57,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:02:57,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:57,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:02:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 05:02:57,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:02:57,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 05:02:57,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 05:02:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 05:02:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:02:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:02:57,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 05:02:57,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:02:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:02:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:57,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:02:57,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:02:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:02:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:57,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 05:02:57,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:02:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 05:02:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:02:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:58,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 05:02:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:58,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:58,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:02:58,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:02:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 05:02:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 05:02:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 05:02:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:02:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:02:58,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:58,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:58,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:02:58,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 05:02:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:02:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:02:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:58,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:58,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:58,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:58,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:58,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 05:02:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:02:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 05:02:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:58,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:58,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:58,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:58,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 05:02:58,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:02:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 05:02:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:02:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 05:02:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:58,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:58,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:02:58,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:02:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-28 05:02:58,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:02:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 05:02:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:02:58,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:59,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:59,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:59,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:02:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:59,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:59,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:59,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:02:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:59,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:59,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:59,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:59,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:59,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:02:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:02:59,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 05:02:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:59,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:59,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:02:59,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:59,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:02:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:02:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:59,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:59,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:59,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:59,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:59,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-28 05:02:59,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042156161] [2020-10-28 05:02:59,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:02:59,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-28 05:02:59,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83003629] [2020-10-28 05:02:59,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-28 05:02:59,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:02:59,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-28 05:02:59,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2020-10-28 05:02:59,217 INFO L87 Difference]: Start difference. First operand 322 states and 409 transitions. Second operand 21 states. [2020-10-28 05:02:59,650 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:03:01,543 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:02,121 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:02,630 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:03,320 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:03,846 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:04,452 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:03:05,023 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 05:03:06,706 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:03:07,213 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:03:09,365 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:03:09,861 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:03:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:03:15,564 INFO L93 Difference]: Finished difference Result 856 states and 1187 transitions. [2020-10-28 05:03:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 05:03:15,565 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 119 [2020-10-28 05:03:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:03:15,572 INFO L225 Difference]: With dead ends: 856 [2020-10-28 05:03:15,572 INFO L226 Difference]: Without dead ends: 559 [2020-10-28 05:03:15,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=135, Invalid=921, Unknown=0, NotChecked=0, Total=1056 [2020-10-28 05:03:15,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-10-28 05:03:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 335. [2020-10-28 05:03:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-28 05:03:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 429 transitions. [2020-10-28 05:03:15,670 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 429 transitions. Word has length 119 [2020-10-28 05:03:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:03:15,672 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 429 transitions. [2020-10-28 05:03:15,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-28 05:03:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 429 transitions. [2020-10-28 05:03:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-28 05:03:15,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:03:15,682 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:03:15,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 05:03:15,682 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:03:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:03:15,683 INFO L82 PathProgramCache]: Analyzing trace with hash -401151039, now seen corresponding path program 1 times [2020-10-28 05:03:15,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:03:15,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850741308] [2020-10-28 05:03:15,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:03:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:15,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:16,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:20,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:20,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-28 05:03:20,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:03:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 05:03:20,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:03:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 05:03:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:03:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,231 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:03:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:03:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:03:21,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 05:03:21,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:03:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:21,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:03:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:03:21,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:03:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 05:03:21,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 05:03:21,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:21,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:21,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:21,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 05:03:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:03:21,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 05:03:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:03:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:21,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:03:21,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:03:21,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:03:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:03:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 05:03:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:03:21,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:03:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:03:21,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:21,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 05:03:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:03:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:21,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:21,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:21,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:21,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:21,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:21,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:21,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:21,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 05:03:21,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850741308] [2020-10-28 05:03:21,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:03:21,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 05:03:21,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764763027] [2020-10-28 05:03:21,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 05:03:21,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:03:21,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 05:03:21,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:03:21,832 INFO L87 Difference]: Start difference. First operand 335 states and 429 transitions. Second operand 8 states. [2020-10-28 05:03:22,212 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:03:23,789 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-28 05:03:25,295 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-28 05:03:25,760 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:03:29,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:03:29,442 INFO L93 Difference]: Finished difference Result 865 states and 1194 transitions. [2020-10-28 05:03:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 05:03:29,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-10-28 05:03:29,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:03:29,452 INFO L225 Difference]: With dead ends: 865 [2020-10-28 05:03:29,453 INFO L226 Difference]: Without dead ends: 555 [2020-10-28 05:03:29,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 05:03:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-10-28 05:03:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 337. [2020-10-28 05:03:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-10-28 05:03:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 431 transitions. [2020-10-28 05:03:29,525 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 431 transitions. Word has length 119 [2020-10-28 05:03:29,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:03:29,526 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 431 transitions. [2020-10-28 05:03:29,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 05:03:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 431 transitions. [2020-10-28 05:03:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 05:03:29,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:03:29,530 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:03:29,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 05:03:29,530 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:03:29,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:03:29,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1554395426, now seen corresponding path program 1 times [2020-10-28 05:03:29,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:03:29,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322857278] [2020-10-28 05:03:29,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:03:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:29,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:34,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-28 05:03:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 05:03:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,017 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:03:35,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:03:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:03:35,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 05:03:35,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:03:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:35,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:03:35,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:35,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:03:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 05:03:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:35,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:35,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:35,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 05:03:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:03:35,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:03:35,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:03:35,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:35,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:03:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 05:03:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:03:35,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-28 05:03:35,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 05:03:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:03:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 05:03:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 05:03:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:03:35,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 05:03:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:03:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 05:03:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:03:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 05:03:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:35,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:35,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:35,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:35,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 05:03:35,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:35,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:03:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 05:03:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:03:35,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:36,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 05:03:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:36,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:36,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:36,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:03:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:36,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:36,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:36,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:36,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:36,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:36,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:36,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:36,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-28 05:03:36,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322857278] [2020-10-28 05:03:36,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:03:36,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 05:03:36,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669091807] [2020-10-28 05:03:36,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 05:03:36,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:03:36,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 05:03:36,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-10-28 05:03:36,131 INFO L87 Difference]: Start difference. First operand 337 states and 431 transitions. Second operand 15 states. [2020-10-28 05:03:36,514 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:03:37,488 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:03:37,894 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 05:03:39,644 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:03:40,201 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 05:03:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:03:48,471 INFO L93 Difference]: Finished difference Result 863 states and 1188 transitions. [2020-10-28 05:03:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 05:03:48,472 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-28 05:03:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:03:48,478 INFO L225 Difference]: With dead ends: 863 [2020-10-28 05:03:48,478 INFO L226 Difference]: Without dead ends: 551 [2020-10-28 05:03:48,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2020-10-28 05:03:48,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-28 05:03:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 339. [2020-10-28 05:03:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-10-28 05:03:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 434 transitions. [2020-10-28 05:03:48,546 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 434 transitions. Word has length 131 [2020-10-28 05:03:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:03:48,547 INFO L481 AbstractCegarLoop]: Abstraction has 339 states and 434 transitions. [2020-10-28 05:03:48,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 05:03:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 434 transitions. [2020-10-28 05:03:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-28 05:03:48,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:03:48,549 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 05:03:48,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 05:03:48,550 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:03:48,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:03:48,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2091767624, now seen corresponding path program 2 times [2020-10-28 05:03:48,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:03:48,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700599413] [2020-10-28 05:03:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:03:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:48,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:49,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:49,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:53,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:03:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-28 05:03:53,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 05:03:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,077 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:03:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:03:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:03:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:03:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:54,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:03:54,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:03:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 05:03:54,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 05:03:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:03:54,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:03:54,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:03:54,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:03:54,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:03:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:03:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 05:03:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:03:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:54,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:03:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:03:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:03:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:03:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 05:03:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:03:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:03:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:54,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:54,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:54,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:03:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:03:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:03:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-10-28 05:03:54,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700599413] [2020-10-28 05:03:54,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:03:54,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 05:03:54,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398199637] [2020-10-28 05:03:54,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 05:03:54,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:03:54,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 05:03:54,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:03:54,585 INFO L87 Difference]: Start difference. First operand 339 states and 434 transitions. Second operand 10 states. [2020-10-28 05:03:54,941 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:03:56,430 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:58,003 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:03:58,508 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:01,339 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:01,823 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 05:04:04,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:04:04,804 INFO L93 Difference]: Finished difference Result 857 states and 1175 transitions. [2020-10-28 05:04:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:04:04,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 125 [2020-10-28 05:04:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:04:04,811 INFO L225 Difference]: With dead ends: 857 [2020-10-28 05:04:04,811 INFO L226 Difference]: Without dead ends: 543 [2020-10-28 05:04:04,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-28 05:04:04,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-10-28 05:04:04,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 344. [2020-10-28 05:04:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-28 05:04:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 443 transitions. [2020-10-28 05:04:04,876 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 443 transitions. Word has length 125 [2020-10-28 05:04:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:04:04,878 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 443 transitions. [2020-10-28 05:04:04,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 05:04:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 443 transitions. [2020-10-28 05:04:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-28 05:04:04,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:04,881 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, 1, 1] [2020-10-28 05:04:04,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 05:04:04,882 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:04,882 INFO L82 PathProgramCache]: Analyzing trace with hash -516410554, now seen corresponding path program 1 times [2020-10-28 05:04:04,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:04,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421724208] [2020-10-28 05:04:04,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:04,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:05,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:05,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:07,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3027 [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:04:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 05:04:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 05:04:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,524 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:04:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:08,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:08,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:04:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 05:04:08,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 05:04:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:04:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 05:04:08,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:08,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:04:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:04:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 05:04:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:04:08,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 05:04:08,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:04:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:08,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:08,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:08,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 05:04:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:04:08,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 05:04:08,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:04:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:08,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:08,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:08,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 05:04:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:08,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:08,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:04:08,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:09,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:09,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:04:09,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:09,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:09,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:09,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:04:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:09,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:09,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 05:04:09,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421724208] [2020-10-28 05:04:09,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:04:09,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 05:04:09,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100038615] [2020-10-28 05:04:09,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 05:04:09,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:09,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 05:04:09,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:04:09,043 INFO L87 Difference]: Start difference. First operand 344 states and 443 transitions. Second operand 10 states. [2020-10-28 05:04:09,408 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:04:11,202 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-28 05:04:11,680 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:04:12,131 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-28 05:04:12,583 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-28 05:04:13,012 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:04:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:04:18,329 INFO L93 Difference]: Finished difference Result 858 states and 1171 transitions. [2020-10-28 05:04:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 05:04:18,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 125 [2020-10-28 05:04:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:04:18,334 INFO L225 Difference]: With dead ends: 858 [2020-10-28 05:04:18,334 INFO L226 Difference]: Without dead ends: 539 [2020-10-28 05:04:18,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-28 05:04:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-28 05:04:18,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 349. [2020-10-28 05:04:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-10-28 05:04:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 448 transitions. [2020-10-28 05:04:18,386 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 448 transitions. Word has length 125 [2020-10-28 05:04:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:04:18,387 INFO L481 AbstractCegarLoop]: Abstraction has 349 states and 448 transitions. [2020-10-28 05:04:18,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 05:04:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 448 transitions. [2020-10-28 05:04:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-28 05:04:18,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:18,389 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:04:18,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 05:04:18,390 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:18,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:18,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1569811079, now seen corresponding path program 3 times [2020-10-28 05:04:18,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:18,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917613931] [2020-10-28 05:04:18,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:18,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-28 05:04:19,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 05:04:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,626 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:04:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:04:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 05:04:19,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:04:19,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:04:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 05:04:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:04:19,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:04:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 05:04:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:04:19,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:04:19,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:04:19,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:19,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:04:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:19,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:04:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:04:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:19,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:19,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:19,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:19,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:19,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:19,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:20,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:20,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:20,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:20,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:20,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:20,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 05:04:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:20,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:04:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 05:04:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:04:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:20,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:20,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:04:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:20,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:20,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:04:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 05:04:20,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917613931] [2020-10-28 05:04:20,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:04:20,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 05:04:20,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407809909] [2020-10-28 05:04:20,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 05:04:20,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:20,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 05:04:20,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:04:20,087 INFO L87 Difference]: Start difference. First operand 349 states and 448 transitions. Second operand 6 states. [2020-10-28 05:04:20,476 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:04:21,018 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-28 05:04:21,485 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 05:04:30,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:04:30,253 INFO L93 Difference]: Finished difference Result 1206 states and 1662 transitions. [2020-10-28 05:04:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 05:04:30,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-10-28 05:04:30,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:04:30,260 INFO L225 Difference]: With dead ends: 1206 [2020-10-28 05:04:30,261 INFO L226 Difference]: Without dead ends: 882 [2020-10-28 05:04:30,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 05:04:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-28 05:04:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 542. [2020-10-28 05:04:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-28 05:04:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 698 transitions. [2020-10-28 05:04:30,358 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 698 transitions. Word has length 137 [2020-10-28 05:04:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:04:30,359 INFO L481 AbstractCegarLoop]: Abstraction has 542 states and 698 transitions. [2020-10-28 05:04:30,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:04:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 698 transitions. [2020-10-28 05:04:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 05:04:30,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:30,361 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:04:30,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 05:04:30,362 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:30,362 INFO L82 PathProgramCache]: Analyzing trace with hash -262652949, now seen corresponding path program 1 times [2020-10-28 05:04:30,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:30,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94197868] [2020-10-28 05:04:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:30,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:30,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:30,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:34,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 05:04:35,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 05:04:35,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,851 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:04:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 05:04:35,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:35,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:35,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 05:04:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:35,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:35,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 05:04:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:35,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:35,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:35,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:04:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:04:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 05:04:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 05:04:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 05:04:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 05:04:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 05:04:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:04:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 05:04:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 05:04:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:36,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:04:36,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 05:04:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:04:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:36,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:04:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:04:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-28 05:04:36,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94197868] [2020-10-28 05:04:36,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:04:36,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 05:04:36,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105549898] [2020-10-28 05:04:36,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 05:04:36,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:36,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 05:04:36,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:04:36,215 INFO L87 Difference]: Start difference. First operand 542 states and 698 transitions. Second operand 10 states. [2020-10-28 05:04:36,582 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:04:38,104 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:38,668 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:39,170 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:43,123 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:43,589 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-28 05:04:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:04:46,311 INFO L93 Difference]: Finished difference Result 1406 states and 1939 transitions. [2020-10-28 05:04:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:04:46,316 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-10-28 05:04:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:04:46,324 INFO L225 Difference]: With dead ends: 1406 [2020-10-28 05:04:46,324 INFO L226 Difference]: Without dead ends: 889 [2020-10-28 05:04:46,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-28 05:04:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-10-28 05:04:46,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 551. [2020-10-28 05:04:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-10-28 05:04:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 710 transitions. [2020-10-28 05:04:46,433 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 710 transitions. Word has length 134 [2020-10-28 05:04:46,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:04:46,434 INFO L481 AbstractCegarLoop]: Abstraction has 551 states and 710 transitions. [2020-10-28 05:04:46,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 05:04:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 710 transitions. [2020-10-28 05:04:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 05:04:46,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:46,437 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:04:46,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 05:04:46,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:46,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1999054161, now seen corresponding path program 1 times [2020-10-28 05:04:46,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:46,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364482731] [2020-10-28 05:04:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:51,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:51,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 05:04:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:51,977 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:04:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:51,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 05:04:52,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:52,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:52,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 05:04:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 05:04:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:52,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:52,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:52,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:04:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 05:04:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 05:04:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 05:04:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 05:04:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 05:04:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:04:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:04:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:04:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 05:04:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:04:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 05:04:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:52,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:04:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:04:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 05:04:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:04:52,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:04:52,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:04:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:04:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:04:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:04:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:52,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:52,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:52,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:52,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:52,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:04:52,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-28 05:04:52,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364482731] [2020-10-28 05:04:52,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:04:52,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 05:04:52,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45939567] [2020-10-28 05:04:52,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 05:04:52,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:52,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 05:04:52,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 05:04:52,263 INFO L87 Difference]: Start difference. First operand 551 states and 710 transitions. Second operand 7 states. [2020-10-28 05:04:52,683 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:04:54,846 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:04:55,695 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:05:01,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:01,320 INFO L93 Difference]: Finished difference Result 1537 states and 2153 transitions. [2020-10-28 05:05:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 05:05:01,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-10-28 05:05:01,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:01,330 INFO L225 Difference]: With dead ends: 1537 [2020-10-28 05:05:01,330 INFO L226 Difference]: Without dead ends: 1011 [2020-10-28 05:05:01,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:05:01,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-10-28 05:05:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 565. [2020-10-28 05:05:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-28 05:05:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 730 transitions. [2020-10-28 05:05:01,471 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 730 transitions. Word has length 140 [2020-10-28 05:05:01,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:01,472 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 730 transitions. [2020-10-28 05:05:01,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 05:05:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 730 transitions. [2020-10-28 05:05:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-28 05:05:01,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:01,476 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:05:01,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 05:05:01,476 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:01,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:01,477 INFO L82 PathProgramCache]: Analyzing trace with hash 621942764, now seen corresponding path program 1 times [2020-10-28 05:05:01,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:01,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815883318] [2020-10-28 05:05:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:02,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-28 05:05:03,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:05:03,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1743 [2020-10-28 05:05:03,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:05:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 05:05:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:05:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,686 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:05:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:05:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:05:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 05:05:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 05:05:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 05:05:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:03,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:03,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:03,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:03,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 05:05:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:05:03,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 05:05:03,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 05:05:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:03,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:04,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:04,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 05:05:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:05:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:04,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:04,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 05:05:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 05:05:04,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815883318] [2020-10-28 05:05:04,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:05:04,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 05:05:04,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137193089] [2020-10-28 05:05:04,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 05:05:04,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:04,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 05:05:04,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 05:05:04,152 INFO L87 Difference]: Start difference. First operand 565 states and 730 transitions. Second operand 9 states. [2020-10-28 05:05:04,583 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:05:05,584 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-28 05:05:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:10,693 INFO L93 Difference]: Finished difference Result 1468 states and 2008 transitions. [2020-10-28 05:05:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:05:10,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-10-28 05:05:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:10,701 INFO L225 Difference]: With dead ends: 1468 [2020-10-28 05:05:10,701 INFO L226 Difference]: Without dead ends: 906 [2020-10-28 05:05:10,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-28 05:05:10,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-10-28 05:05:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 562. [2020-10-28 05:05:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-28 05:05:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 723 transitions. [2020-10-28 05:05:10,818 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 723 transitions. Word has length 157 [2020-10-28 05:05:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:10,818 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 723 transitions. [2020-10-28 05:05:10,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 05:05:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 723 transitions. [2020-10-28 05:05:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 05:05:10,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:10,822 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:05:10,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 05:05:10,822 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:10,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:10,822 INFO L82 PathProgramCache]: Analyzing trace with hash 235449489, now seen corresponding path program 2 times [2020-10-28 05:05:10,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:10,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133388961] [2020-10-28 05:05:10,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:10,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:10,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:15,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:15,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 05:05:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,332 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:05:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 05:05:16,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:16,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:16,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:16,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 05:05:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 05:05:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:16,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:05:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 05:05:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:16,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 05:05:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 05:05:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 05:05:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 05:05:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:05:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 05:05:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 05:05:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 05:05:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:16,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:16,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-28 05:05:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 05:05:16,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 05:05:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 05:05:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:05:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 05:05:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:16,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:16,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:16,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 05:05:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:17,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 05:05:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:17,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:05:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:17,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:17,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:17,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:17,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:17,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-28 05:05:17,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133388961] [2020-10-28 05:05:17,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:05:17,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 05:05:17,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673239786] [2020-10-28 05:05:17,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 05:05:17,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:17,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 05:05:17,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-28 05:05:17,069 INFO L87 Difference]: Start difference. First operand 562 states and 723 transitions. Second operand 13 states. [2020-10-28 05:05:17,514 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:05:18,442 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 05:05:18,960 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 05:05:24,542 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 05:05:28,395 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:05:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:29,683 INFO L93 Difference]: Finished difference Result 1537 states and 2131 transitions. [2020-10-28 05:05:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 05:05:29,685 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 159 [2020-10-28 05:05:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:29,693 INFO L225 Difference]: With dead ends: 1537 [2020-10-28 05:05:29,694 INFO L226 Difference]: Without dead ends: 1000 [2020-10-28 05:05:29,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2020-10-28 05:05:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-28 05:05:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 570. [2020-10-28 05:05:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-10-28 05:05:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 731 transitions. [2020-10-28 05:05:29,829 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 731 transitions. Word has length 159 [2020-10-28 05:05:29,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:29,830 INFO L481 AbstractCegarLoop]: Abstraction has 570 states and 731 transitions. [2020-10-28 05:05:29,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 05:05:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 731 transitions. [2020-10-28 05:05:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 05:05:29,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:29,833 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:05:29,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 05:05:29,833 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:29,834 INFO L82 PathProgramCache]: Analyzing trace with hash 670527723, now seen corresponding path program 3 times [2020-10-28 05:05:29,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:29,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608734947] [2020-10-28 05:05:29,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:29,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:30,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:34,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:34,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 05:05:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,363 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:05:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:35,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:35,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 05:05:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 05:05:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:35,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:05:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 05:05:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 05:05:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 05:05:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 05:05:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 05:05:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:05:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 05:05:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:05:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 05:05:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:35,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:05:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 05:05:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-28 05:05:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:05:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:35,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:35,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 05:05:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:05:35,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:05:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:35,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-28 05:05:35,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608734947] [2020-10-28 05:05:35,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 05:05:35,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 05:05:35,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265289994] [2020-10-28 05:05:35,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 05:05:35,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:35,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 05:05:35,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:05:35,632 INFO L87 Difference]: Start difference. First operand 570 states and 731 transitions. Second operand 8 states. [2020-10-28 05:05:36,040 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-28 05:05:38,487 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:05:39,386 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:05:39,967 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 05:05:47,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:47,144 INFO L93 Difference]: Finished difference Result 1725 states and 2447 transitions. [2020-10-28 05:05:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 05:05:47,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-10-28 05:05:47,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:47,153 INFO L225 Difference]: With dead ends: 1725 [2020-10-28 05:05:47,154 INFO L226 Difference]: Without dead ends: 1180 [2020-10-28 05:05:47,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-28 05:05:47,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-10-28 05:05:47,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 620. [2020-10-28 05:05:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-28 05:05:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 809 transitions. [2020-10-28 05:05:47,307 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 809 transitions. Word has length 153 [2020-10-28 05:05:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:47,307 INFO L481 AbstractCegarLoop]: Abstraction has 620 states and 809 transitions. [2020-10-28 05:05:47,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 05:05:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 809 transitions. [2020-10-28 05:05:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 05:05:47,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:47,311 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:05:47,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 05:05:47,311 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:47,312 INFO L82 PathProgramCache]: Analyzing trace with hash 152677402, now seen corresponding path program 1 times [2020-10-28 05:05:47,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:47,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789136195] [2020-10-28 05:05:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:47,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:47,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:49,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-28 05:05:52,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:05:52,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 05:05:52,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:05:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 05:05:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 05:05:52,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:52,853 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 05:05:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:52,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:52,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:52,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:52,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:52,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:05:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:52,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:52,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 05:05:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 05:05:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 05:05:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 05:05:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:53,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:53,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:05:53,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 05:05:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 05:05:53,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 05:05:53,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 05:05:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 05:05:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 05:05:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:05:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:05:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:53,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:53,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:53,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:53,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:53,275 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 05:05:53,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789136195] [2020-10-28 05:05:53,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:05:53,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 05:05:53,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820457400] [2020-10-28 05:05:53,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 05:05:53,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:53,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 05:05:53,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:05:53,278 INFO L87 Difference]: Start difference. First operand 620 states and 809 transitions. Second operand 10 states. [2020-10-28 05:05:53,715 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 05:05:54,964 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 05:05:55,467 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 162