/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 04:59:32,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 04:59:32,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 04:59:32,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 04:59:32,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 04:59:32,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 04:59:32,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 04:59:32,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 04:59:32,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 04:59:32,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 04:59:32,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 04:59:32,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 04:59:32,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 04:59:32,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 04:59:32,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 04:59:32,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 04:59:32,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 04:59:32,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 04:59:32,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 04:59:32,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 04:59:32,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 04:59:32,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 04:59:32,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 04:59:32,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 04:59:32,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 04:59:32,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 04:59:32,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 04:59:32,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 04:59:32,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 04:59:32,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 04:59:32,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 04:59:32,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 04:59:32,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 04:59:32,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 04:59:32,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 04:59:32,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 04:59:32,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 04:59:32,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 04:59:32,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 04:59:32,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 04:59:32,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 04:59:32,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 04:59:32,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 04:59:32,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 04:59:32,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 04:59:32,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 04:59:32,253 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 04:59:32,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 04:59:32,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 04:59:32,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 04:59:32,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 04:59:32,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 04:59:32,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 04:59:32,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 04:59:32,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 04:59:32,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 04:59:32,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 04:59:32,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 04:59:32,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 04:59:32,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 04:59:32,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:59:32,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 04:59:32,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 04:59:32,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 04:59:32,258 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 04:59:32,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 04:59:32,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 04:59:32,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 04:59:32,651 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 04:59:32,652 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 04:59:32,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-10-28 04:59:32,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb12cb4f1/fddd1650c8da4fcca6c72cc69d81661b/FLAG0f62a6f3e [2020-10-28 04:59:33,814 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 04:59:33,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-10-28 04:59:33,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb12cb4f1/fddd1650c8da4fcca6c72cc69d81661b/FLAG0f62a6f3e [2020-10-28 04:59:34,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb12cb4f1/fddd1650c8da4fcca6c72cc69d81661b [2020-10-28 04:59:34,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 04:59:34,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 04:59:34,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 04:59:34,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 04:59:34,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 04:59:34,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:59:34" (1/1) ... [2020-10-28 04:59:34,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e34d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:34, skipping insertion in model container [2020-10-28 04:59:34,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:59:34" (1/1) ... [2020-10-28 04:59:34,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 04:59:34,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 04:59:34,869 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-10-28 04:59:34,870 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-10-28 04:59:35,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:59:35,952 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 04:59:36,102 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-10-28 04:59:36,103 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-10-28 04:59:36,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:59:36,546 INFO L208 MainTranslator]: Completed translation [2020-10-28 04:59:36,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36 WrapperNode [2020-10-28 04:59:36,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 04:59:36,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 04:59:36,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 04:59:36,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 04:59:36,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... [2020-10-28 04:59:36,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 04:59:36,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 04:59:36,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 04:59:36,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 04:59:36,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:59:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 04:59:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 04:59:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 04:59:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 04:59:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 04:59:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 04:59:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 04:59:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 04:59:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 04:59:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 04:59:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2020-10-28 04:59:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 04:59:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 04:59:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 04:59:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 04:59:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 04:59:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-10-28 04:59:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2020-10-28 04:59:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_out [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_diff [2020-10-28 04:59:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2020-10-28 04:59:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_to_hcd [2020-10-28 04:59:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_rd8 [2020-10-28 04:59:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_wr8 [2020-10-28 04:59:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_rd_buf [2020-10-28 04:59:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_wr_buf [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_set_speed [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_set_address [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_ctrl_setup [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_transfer_in [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_transfer_out [2020-10-28 04:59:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_next_transfer [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_select_and_start_urb [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_check_unlink [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_slow_retransmit [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_recv_data_available [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_handle_error [2020-10-28 04:59:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_transfer_in_done [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_transfer_out_done [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_host_transfer_done [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_detect_conn [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_irq_handler [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_handle_irqs [2020-10-28 04:59:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset_hcd [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_done [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_spi_thread [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset_port [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_start [2020-10-28 04:59:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_stop [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2020-10-28 04:59:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2020-10-28 04:59:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2020-10-28 04:59:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2020-10-28 04:59:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2020-10-28 04:59:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2020-10-28 04:59:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_probe [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_remove [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_driver_init [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_driver_exit [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-28 04:59:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hc_driver_3 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_2 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-28 04:59:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_19 [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_20 [2020-10-28 04:59:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 04:59:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2020-10-28 04:59:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2020-10-28 04:59:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 04:59:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 04:59:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 04:59:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 04:59:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 04:59:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 04:59:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2020-10-28 04:59:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2020-10-28 04:59:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2020-10-28 04:59:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2020-10-28 04:59:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-28 04:59:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 04:59:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 04:59:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 04:59:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 04:59:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 04:59:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 04:59:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 04:59:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 04:59:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 04:59:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-28 04:59:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 04:59:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2020-10-28 04:59:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 04:59:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 04:59:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 04:59:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 04:59:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 04:59:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 04:59:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hc_driver_3 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_2 [2020-10-28 04:59:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 04:59:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-10-28 04:59:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-10-28 04:59:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-28 04:59:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_19 [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_20 [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2020-10-28 04:59:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_out [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2020-10-28 04:59:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure frame_diff [2020-10-28 04:59:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_to_hcd [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure spi_rd8 [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure spi_wr8 [2020-10-28 04:59:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure spi_rd_buf [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure spi_wr_buf [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_set_speed [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_set_address [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_ctrl_setup [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_transfer_in [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_transfer_out [2020-10-28 04:59:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_next_transfer [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_select_and_start_urb [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_check_unlink [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_slow_retransmit [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_recv_data_available [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_handle_error [2020-10-28 04:59:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_transfer_in_done [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_transfer_out_done [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_host_transfer_done [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_detect_conn [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_irq_handler [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_handle_irqs [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset_hcd [2020-10-28 04:59:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_done [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_spi_thread [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset_port [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_start [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_stop [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2020-10-28 04:59:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2020-10-28 04:59:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2020-10-28 04:59:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2020-10-28 04:59:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2020-10-28 04:59:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2020-10-28 04:59:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_probe [2020-10-28 04:59:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_remove [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_driver_init [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_driver_exit [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 04:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 04:59:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 04:59:38,874 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 04:59:44,385 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 04:59:44,386 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 04:59:44,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:59:44 BoogieIcfgContainer [2020-10-28 04:59:44,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 04:59:44,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 04:59:44,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 04:59:44,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 04:59:44,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:59:34" (1/3) ... [2020-10-28 04:59:44,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440512d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:59:44, skipping insertion in model container [2020-10-28 04:59:44,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:36" (2/3) ... [2020-10-28 04:59:44,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440512d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:59:44, skipping insertion in model container [2020-10-28 04:59:44,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:59:44" (3/3) ... [2020-10-28 04:59:44,421 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-10-28 04:59:44,443 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 04:59:44,450 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 04:59:44,467 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 04:59:44,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 04:59:44,523 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 04:59:44,523 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 04:59:44,523 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 04:59:44,523 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 04:59:44,524 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 04:59:44,524 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 04:59:44,524 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 04:59:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states. [2020-10-28 04:59:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 04:59:44,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:59:44,604 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:59:44,605 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:59:44,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:59:44,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1951709928, now seen corresponding path program 1 times [2020-10-28 04:59:44,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:59:44,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830939033] [2020-10-28 04:59:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:59:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:50,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:50,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 04:59:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 04:59:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-28 04:59:50,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:59:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 04:59:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 04:59:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 04:59:53,549 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 643 [2020-10-28 04:59:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:59:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:53,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:53,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:53,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:59:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:53,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:53,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:53,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:59:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:59:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:59:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:53,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:53,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:59:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 04:59:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 04:59:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:59:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:53,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:59:53,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:59:53,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:53,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:59:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 04:59:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:54,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:54,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 04:59:54,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:59:54,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:54,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 04:59:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:54,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:54,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 04:59:54,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 04:59:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:54,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:54,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:54,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:59:54,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:54,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:59:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:54,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:59:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 04:59:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:59:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:59:54,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:59:54,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:59:54,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:59:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:59:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 04:59:54,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830939033] [2020-10-28 04:59:54,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:59:54,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 04:59:54,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019490706] [2020-10-28 04:59:54,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 04:59:54,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:59:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 04:59:54,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 04:59:54,210 INFO L87 Difference]: Start difference. First operand 1386 states. Second operand 6 states. [2020-10-28 04:59:56,912 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 05:00:14,440 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 647 [2020-10-28 05:00:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:00:24,301 INFO L93 Difference]: Finished difference Result 1923 states and 2778 transitions. [2020-10-28 05:00:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 05:00:24,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-10-28 05:00:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:00:24,333 INFO L225 Difference]: With dead ends: 1923 [2020-10-28 05:00:24,333 INFO L226 Difference]: Without dead ends: 1154 [2020-10-28 05:00:24,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:00:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-28 05:00:24,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 687. [2020-10-28 05:00:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-28 05:00:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 890 transitions. [2020-10-28 05:00:24,793 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 890 transitions. Word has length 79 [2020-10-28 05:00:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:00:24,794 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 890 transitions. [2020-10-28 05:00:24,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:00:24,794 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 890 transitions. [2020-10-28 05:00:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 05:00:24,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:00:24,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:00:24,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 05:00:24,803 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:00:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:00:24,804 INFO L82 PathProgramCache]: Analyzing trace with hash 414392390, now seen corresponding path program 1 times [2020-10-28 05:00:24,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:00:24,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394380760] [2020-10-28 05:00:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:00:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:25,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1729 [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:26,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:00:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 05:00:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 05:00:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,570 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 643 [2020-10-28 05:00:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:00:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:00:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:00:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:00:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:00:29,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:00:29,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:00:29,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:00:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:00:29,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:00:29,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:00:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:00:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:00:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:00:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:00:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 05:00:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 05:00:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 05:00:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:29,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:00:29,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:29,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 05:00:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:00:30,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:00:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:00:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:00:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:00:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 05:00:30,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394380760] [2020-10-28 05:00:30,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:00:30,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 05:00:30,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179175088] [2020-10-28 05:00:30,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 05:00:30,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:00:30,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 05:00:30,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:00:30,068 INFO L87 Difference]: Start difference. First operand 687 states and 890 transitions. Second operand 6 states. [2020-10-28 05:00:32,794 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 05:00:37,945 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 648 [2020-10-28 05:00:40,897 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 645 [2020-10-28 05:01:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:01:11,399 INFO L93 Difference]: Finished difference Result 2511 states and 3603 transitions. [2020-10-28 05:01:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:01:11,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-10-28 05:01:11,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:01:11,415 INFO L225 Difference]: With dead ends: 2511 [2020-10-28 05:01:11,415 INFO L226 Difference]: Without dead ends: 1840 [2020-10-28 05:01:11,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 05:01:11,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2020-10-28 05:01:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1058. [2020-10-28 05:01:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-28 05:01:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1345 transitions. [2020-10-28 05:01:11,849 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1345 transitions. Word has length 80 [2020-10-28 05:01:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:01:11,850 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1345 transitions. [2020-10-28 05:01:11,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:01:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1345 transitions. [2020-10-28 05:01:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 05:01:11,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:01:11,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:01:11,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 05:01:11,853 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:01:11,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:01:11,854 INFO L82 PathProgramCache]: Analyzing trace with hash 629740440, now seen corresponding path program 1 times [2020-10-28 05:01:11,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:01:11,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555032101] [2020-10-28 05:01:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:01:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:14,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:17,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:17,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5292 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 05:01:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,141 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 643 [2020-10-28 05:01:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:01:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:01:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-28 05:01:20,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:01:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:01:20,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:01:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:01:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:01:20,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:01:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:01:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:01:20,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:01:20,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 05:01:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:01:20,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:01:20,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 05:01:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 05:01:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:20,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:01:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:01:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:01:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:21,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:21,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:21,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:01:21,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:21,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 05:01:21,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:01:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:01:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:01:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 05:01:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:21,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:21,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:21,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:01:21,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 05:01:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:21,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:21,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:01:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:01:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:01:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:21,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 05:01:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:01:21,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:01:21,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:01:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:01:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:01:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:01:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 05:01:21,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555032101] [2020-10-28 05:01:21,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:01:21,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 05:01:21,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884187720] [2020-10-28 05:01:21,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 05:01:21,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:01:21,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 05:01:21,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 05:01:21,306 INFO L87 Difference]: Start difference. First operand 1058 states and 1345 transitions. Second operand 11 states. [2020-10-28 05:01:24,192 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 05:01:37,146 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 657 [2020-10-28 05:01:42,394 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 657 [2020-10-28 05:01:45,666 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 658 [2020-10-28 05:01:48,737 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 657 [2020-10-28 05:01:52,080 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 661 [2020-10-28 05:02:12,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:02:12,862 INFO L93 Difference]: Finished difference Result 2860 states and 3933 transitions. [2020-10-28 05:02:12,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:02:12,863 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-28 05:02:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:02:12,877 INFO L225 Difference]: With dead ends: 2860 [2020-10-28 05:02:12,877 INFO L226 Difference]: Without dead ends: 1818 [2020-10-28 05:02:12,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-28 05:02:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-10-28 05:02:13,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1074. [2020-10-28 05:02:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-10-28 05:02:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1363 transitions. [2020-10-28 05:02:13,284 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1363 transitions. Word has length 84 [2020-10-28 05:02:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:02:13,285 INFO L481 AbstractCegarLoop]: Abstraction has 1074 states and 1363 transitions. [2020-10-28 05:02:13,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 05:02:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1363 transitions. [2020-10-28 05:02:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 05:02:13,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:02:13,289 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:02:13,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 05:02:13,290 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:02:13,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:02:13,290 INFO L82 PathProgramCache]: Analyzing trace with hash -201139761, now seen corresponding path program 1 times [2020-10-28 05:02:13,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:02:13,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021720635] [2020-10-28 05:02:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:02:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:13,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:15,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:18,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5214 [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:02:18,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 05:02:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 05:02:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:21,507 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 643 [2020-10-28 05:02:21,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:02:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:21,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-28 05:02:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:02:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:02:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:02:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:02:22,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:02:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 05:02:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:22,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:02:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 05:02:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 05:02:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 05:02:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:02:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:22,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 05:02:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 05:02:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:02:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:02:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:02:22,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:02:22,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:02:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 05:02:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:02:22,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:02:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 05:02:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:02:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 05:02:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:02:22,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:02:22,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:02:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:02:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:02:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:02:22,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:02:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:02:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:02:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:02:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:02:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-28 05:02:22,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021720635] [2020-10-28 05:02:22,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:02:22,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 05:02:22,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337017059] [2020-10-28 05:02:22,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 05:02:22,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:02:22,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 05:02:22,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 05:02:22,495 INFO L87 Difference]: Start difference. First operand 1074 states and 1363 transitions. Second operand 7 states. [2020-10-28 05:02:25,350 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 05:02:32,366 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 654 [2020-10-28 05:02:35,431 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 645 [2020-10-28 05:03:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:03:11,355 INFO L93 Difference]: Finished difference Result 4101 states and 5767 transitions. [2020-10-28 05:03:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 05:03:11,356 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-10-28 05:03:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:03:11,375 INFO L225 Difference]: With dead ends: 4101 [2020-10-28 05:03:11,376 INFO L226 Difference]: Without dead ends: 3043 [2020-10-28 05:03:11,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-28 05:03:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2020-10-28 05:03:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 1682. [2020-10-28 05:03:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-28 05:03:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2164 transitions. [2020-10-28 05:03:12,003 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2164 transitions. Word has length 104 [2020-10-28 05:03:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:03:12,004 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2164 transitions. [2020-10-28 05:03:12,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 05:03:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2164 transitions. [2020-10-28 05:03:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 05:03:12,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:03:12,010 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:03:12,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 05:03:12,011 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:03:12,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:03:12,011 INFO L82 PathProgramCache]: Analyzing trace with hash 982718537, now seen corresponding path program 1 times [2020-10-28 05:03:12,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:03:12,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141130040] [2020-10-28 05:03:12,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:03:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:03:12,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:03:15,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3284 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 05:03:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0