/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:49:39,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:49:39,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:49:39,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:49:39,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:49:39,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:49:39,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:49:39,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:49:39,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:49:39,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:49:39,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:49:39,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:49:39,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:49:39,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:49:39,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:49:39,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:49:39,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:49:39,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:49:39,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:49:39,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:49:39,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:49:39,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:49:39,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:49:39,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:49:39,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:49:39,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:49:39,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:49:39,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:49:39,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:49:39,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:49:39,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:49:39,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:49:39,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:49:39,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:49:39,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:49:39,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:49:39,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:49:39,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:49:39,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:49:39,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:49:39,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:49:39,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 02:49:39,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:49:39,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:49:39,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:49:39,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:49:39,619 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:49:39,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:49:39,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:49:39,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:49:39,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:49:39,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:49:39,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:49:39,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:49:39,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:49:39,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:49:39,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:49:39,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:49:39,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:49:39,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:49:39,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:49:39,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:49:39,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:49:39,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:49:39,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:49:39,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:49:39,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:49:39,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:49:39,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 02:49:39,625 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 02:49:40,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:49:40,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:49:40,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:49:40,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:49:40,156 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:49:40,157 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-25 02:49:40,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7a9dd3a1/f230e37906c64ad89870f43015e46c28/FLAG3c81b1dfc [2020-09-25 02:49:40,975 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:49:40,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-25 02:49:41,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7a9dd3a1/f230e37906c64ad89870f43015e46c28/FLAG3c81b1dfc [2020-09-25 02:49:41,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7a9dd3a1/f230e37906c64ad89870f43015e46c28 [2020-09-25 02:49:41,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:49:41,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:49:41,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:41,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:49:41,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:49:41,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:41" (1/1) ... [2020-09-25 02:49:41,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a70a27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:41, skipping insertion in model container [2020-09-25 02:49:41,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:41" (1/1) ... [2020-09-25 02:49:41,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:49:41,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:49:41,791 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-25 02:49:41,792 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-25 02:49:42,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:42,242 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:49:42,347 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-09-25 02:49:42,347 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-09-25 02:49:42,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:42,452 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:49:42,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42 WrapperNode [2020-09-25 02:49:42,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:42,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:49:42,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:49:42,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:49:42,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... [2020-09-25 02:49:42,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:49:42,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:49:42,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:49:42,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:49:42,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:49:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:49:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:49:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-25 02:49:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 02:49:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 02:49:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-25 02:49:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:49:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 02:49:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 02:49:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 02:49:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 02:49:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 02:49:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 02:49:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 02:49:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 02:49:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 02:49:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-25 02:49:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parse [2020-09-25 02:49:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2020-09-25 02:49:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2020-09-25 02:49:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_open [2020-09-25 02:49:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2020-09-25 02:49:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2020-09-25 02:49:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_play [2020-09-25 02:49:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_init [2020-09-25 02:49:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_probe [2020-09-25 02:49:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2020-09-25 02:49:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_init [2020-09-25 02:49:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_exit [2020-09-25 02:49:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hid_driver_1 [2020-09-25 02:49:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:49:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 02:49:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-25 02:49:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 02:49:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-25 02:49:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-25 02:49:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-25 02:49:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-25 02:49:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-09-25 02:49:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_register_driver [2020-09-25 02:49:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_request [2020-09-25 02:49:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-09-25 02:49:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 02:49:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-25 02:49:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_connect [2020-09-25 02:49:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_disconnect [2020-09-25 02:49:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2020-09-25 02:49:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_unregister_driver [2020-09-25 02:49:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2020-09-25 02:49:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-25 02:49:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 02:49:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 02:49:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-25 02:49:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 02:49:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 02:49:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 02:49:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:49:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 02:49:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 02:49:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-25 02:49:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 02:49:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-25 02:49:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:49:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 02:49:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:49:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 02:49:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:49:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:49:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 02:49:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:49:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 02:49:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 02:49:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 02:49:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 02:49:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 02:49:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 02:49:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 02:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hid_driver_1 [2020-09-25 02:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 02:49:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 02:49:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-25 02:49:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-09-25 02:49:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-25 02:49:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2020-09-25 02:49:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2020-09-25 02:49:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2020-09-25 02:49:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_request [2020-09-25 02:49:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2020-09-25 02:49:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2020-09-25 02:49:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2020-09-25 02:49:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parse [2020-09-25 02:49:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2020-09-25 02:49:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-25 02:49:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 02:49:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2020-09-25 02:49:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_open [2020-09-25 02:49:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2020-09-25 02:49:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2020-09-25 02:49:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure axff_play [2020-09-25 02:49:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:49:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:49:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:49:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:49:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure axff_init [2020-09-25 02:49:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ax_probe [2020-09-25 02:49:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:49:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2020-09-25 02:49:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_init [2020-09-25 02:49:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_exit [2020-09-25 02:49:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 02:49:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 02:49:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:49:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-25 02:49:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 02:49:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-25 02:49:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-25 02:49:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-25 02:49:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-25 02:49:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:49:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:49:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:49:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 02:49:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:49:44,202 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 02:49:44,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:49:44,810 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 02:49:44,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:44 BoogieIcfgContainer [2020-09-25 02:49:44,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:49:44,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:49:44,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:49:44,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:49:44,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:49:41" (1/3) ... [2020-09-25 02:49:44,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678ae8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:44, skipping insertion in model container [2020-09-25 02:49:44,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:42" (2/3) ... [2020-09-25 02:49:44,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678ae8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:44, skipping insertion in model container [2020-09-25 02:49:44,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:44" (3/3) ... [2020-09-25 02:49:44,830 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-09-25 02:49:44,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:49:44,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:49:44,875 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:49:44,908 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:49:44,909 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:49:44,909 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:49:44,909 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:49:44,909 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:49:44,909 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:49:44,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:49:44,910 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:49:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2020-09-25 02:49:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-25 02:49:44,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:49:44,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:49:44,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:49:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:49:44,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1899615713, now seen corresponding path program 1 times [2020-09-25 02:49:44,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:49:44,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535428672] [2020-09-25 02:49:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:49:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:45,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:50,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:50,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-25 02:49:50,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:49:50,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 02:49:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:49:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-25 02:49:50,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:49:50,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:49:51,017 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 02:49:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-25 02:49:51,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 02:49:51,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:49:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:51,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:49:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:49:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:49:51,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:49:51,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 02:49:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:49:51,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:49:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:49:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 02:49:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:49:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 02:49:51,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 02:49:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:49:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:49:51,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:49:51,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 02:49:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 02:49:51,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 02:49:51,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 02:49:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:51,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 02:49:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:49:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:49:51,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 02:49:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:51,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:51,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:49:51,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:51,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 02:49:51,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:49:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:49:51,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535428672] [2020-09-25 02:49:51,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:49:51,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 02:49:51,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781740556] [2020-09-25 02:49:51,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 02:49:51,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:49:51,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 02:49:51,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:49:51,726 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 5 states. [2020-09-25 02:49:52,025 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:49:52,996 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:49:53,331 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-25 02:49:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:49:56,469 INFO L93 Difference]: Finished difference Result 1189 states and 1336 transitions. [2020-09-25 02:49:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 02:49:56,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2020-09-25 02:49:56,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:49:56,500 INFO L225 Difference]: With dead ends: 1189 [2020-09-25 02:49:56,500 INFO L226 Difference]: Without dead ends: 690 [2020-09-25 02:49:56,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:49:56,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-09-25 02:49:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 549. [2020-09-25 02:49:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-09-25 02:49:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 584 transitions. [2020-09-25 02:49:56,639 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 584 transitions. Word has length 268 [2020-09-25 02:49:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:49:56,640 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 584 transitions. [2020-09-25 02:49:56,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 02:49:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 584 transitions. [2020-09-25 02:49:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-09-25 02:49:56,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:49:56,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:49:56,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:49:56,651 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:49:56,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:49:56,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1969584607, now seen corresponding path program 1 times [2020-09-25 02:49:56,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:49:56,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644161459] [2020-09-25 02:49:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:49:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:56,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:59,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:01,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:01,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-25 02:50:01,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:50:01,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 02:50:01,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:01,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:50:01,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 327 [2020-09-25 02:50:01,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:50:01,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,196 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 02:50:02,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:50:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-25 02:50:02,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 02:50:02,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:50:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:02,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 02:50:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:50:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:50:02,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:50:02,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 02:50:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 02:50:02,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 02:50:02,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:50:02,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:50:02,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 02:50:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 02:50:02,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 02:50:02,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:02,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:50:02,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 02:50:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:50:02,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:50:02,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 02:50:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:50:02,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:50:02,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:50:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:02,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:50:02,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-25 02:50:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 02:50:02,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 02:50:02,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 02:50:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:50:02,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:50:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:02,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 02:50:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:02,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:02,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:02,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:02,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:02,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 02:50:02,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:50:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:50:03,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 02:50:03,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644161459] [2020-09-25 02:50:03,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:50:03,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 02:50:03,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862118859] [2020-09-25 02:50:03,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 02:50:03,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:50:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 02:50:03,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:50:03,042 INFO L87 Difference]: Start difference. First operand 549 states and 584 transitions. Second operand 7 states. [2020-09-25 02:50:03,462 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:50:05,702 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-25 02:50:06,239 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-09-25 02:50:06,708 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:50:07,256 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 02:50:08,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:08,079 INFO L93 Difference]: Finished difference Result 1137 states and 1254 transitions. [2020-09-25 02:50:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 02:50:08,081 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 327 [2020-09-25 02:50:08,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:08,095 INFO L225 Difference]: With dead ends: 1137 [2020-09-25 02:50:08,097 INFO L226 Difference]: Without dead ends: 732 [2020-09-25 02:50:08,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-25 02:50:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-09-25 02:50:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 562. [2020-09-25 02:50:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 02:50:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 599 transitions. [2020-09-25 02:50:08,180 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 599 transitions. Word has length 327 [2020-09-25 02:50:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:08,181 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 599 transitions. [2020-09-25 02:50:08,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 02:50:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 599 transitions. [2020-09-25 02:50:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 02:50:08,187 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:50:08,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:50:08,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:50:08,188 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:50:08,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:50:08,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1225408834, now seen corresponding path program 1 times [2020-09-25 02:50:08,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:50:08,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200273894] [2020-09-25 02:50:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:50:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:08,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-09-25 02:50:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:50:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4149 [2020-09-25 02:50:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:50:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-09-25 02:50:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 02:50:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:12,802 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 02:50:12,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:50:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:12,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-25 02:50:12,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:12,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 02:50:12,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:50:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:13,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 02:50:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:13,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:50:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:50:13,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:50:13,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 02:50:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 02:50:13,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:50:13,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:50:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:50:13,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 02:50:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 02:50:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 02:50:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 02:50:13,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 02:50:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:50:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:50:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 02:50:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:50:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 02:50:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:50:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:13,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:50:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-25 02:50:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 02:50:13,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 02:50:13,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:50:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 02:50:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 02:50:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:50:13,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:50:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:50:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 02:50:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:13,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:13,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:13,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:13,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:50:13,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:50:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:13,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 02:50:13,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200273894] [2020-09-25 02:50:13,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:50:13,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:50:13,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461857590] [2020-09-25 02:50:13,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:50:13,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:50:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:50:13,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:50:13,675 INFO L87 Difference]: Start difference. First operand 562 states and 599 transitions. Second operand 10 states. [2020-09-25 02:50:13,943 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:50:15,996 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 02:50:16,512 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:50:16,913 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 02:50:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:18,970 INFO L93 Difference]: Finished difference Result 1148 states and 1267 transitions. [2020-09-25 02:50:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 02:50:18,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 329 [2020-09-25 02:50:18,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:18,978 INFO L225 Difference]: With dead ends: 1148 [2020-09-25 02:50:18,978 INFO L226 Difference]: Without dead ends: 730 [2020-09-25 02:50:18,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-09-25 02:50:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-09-25 02:50:19,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 568. [2020-09-25 02:50:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-09-25 02:50:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 605 transitions. [2020-09-25 02:50:19,029 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 605 transitions. Word has length 329 [2020-09-25 02:50:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:19,030 INFO L479 AbstractCegarLoop]: Abstraction has 568 states and 605 transitions. [2020-09-25 02:50:19,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:50:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 605 transitions. [2020-09-25 02:50:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-09-25 02:50:19,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:50:19,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:50:19,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:50:19,037 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:50:19,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:50:19,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1037036584, now seen corresponding path program 1 times [2020-09-25 02:50:19,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:50:19,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564185251] [2020-09-25 02:50:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:50:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:19,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:19,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:19,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-09-25 02:50:19,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-09-25 02:50:19,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-25 02:50:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-09-25 02:50:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:20,488 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 02:50:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:50:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:20,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:20,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:20,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-25 02:50:20,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:20,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 02:50:20,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 02:50:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:50:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:20,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:20,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:20,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:20,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 02:50:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 02:50:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:50:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:20,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:50:20,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:50:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:50:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 02:50:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 02:50:21,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 02:50:21,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 02:50:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:50:21,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:50:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 02:50:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 02:50:21,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 02:50:21,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:50:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:21,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 02:50:21,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 02:50:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:50:21,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 02:50:21,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:50:21,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 02:50:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:50:21,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 02:50:21,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 02:50:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:50:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:21,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:50:21,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:21,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-25 02:50:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:50:21,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 02:50:21,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 02:50:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 02:50:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:50:21,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:50:21,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:50:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:50:21,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:50:21,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-09-25 02:50:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:50:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 02:50:21,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564185251] [2020-09-25 02:50:21,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:50:21,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:50:21,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958907229] [2020-09-25 02:50:21,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:50:21,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:50:21,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:50:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:50:21,567 INFO L87 Difference]: Start difference. First operand 568 states and 605 transitions. Second operand 6 states. [2020-09-25 02:50:21,866 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:50:22,578 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:22,954 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-25 02:50:24,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:24,454 INFO L93 Difference]: Finished difference Result 725 states and 803 transitions. [2020-09-25 02:50:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 02:50:24,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 341 [2020-09-25 02:50:24,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:24,456 INFO L225 Difference]: With dead ends: 725 [2020-09-25 02:50:24,457 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 02:50:24,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:50:24,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 02:50:24,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 02:50:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 02:50:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 02:50:24,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-09-25 02:50:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:24,460 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 02:50:24,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:50:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 02:50:24,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 02:50:24,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:50:24,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 02:50:24,671 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-25 02:50:24,833 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:24,994 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-09-25 02:50:25,167 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 02:50:25,330 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-25 02:50:25,483 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:25,635 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:25,784 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:25,931 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:26,092 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:26,235 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:26,379 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:26,512 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 02:50:26,651 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:27,226 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 179 [2020-09-25 02:50:27,369 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-09-25 02:50:27,505 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:27,644 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:27,780 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 02:50:27,913 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 178