/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=SHALLOWEST --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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:43:59,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:43:59,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:43:59,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:43:59,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:43:59,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:43:59,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:43:59,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:43:59,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:43:59,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:43:59,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:43:59,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:43:59,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:43:59,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:43:59,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:43:59,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:43:59,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:43:59,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:43:59,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:43:59,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:43:59,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:43:59,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:43:59,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:43:59,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:43:59,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:43:59,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:43:59,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:43:59,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:43:59,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:43:59,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:43:59,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:43:59,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:43:59,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:43:59,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:43:59,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:43:59,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:43:59,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:43:59,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:43:59,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:43:59,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:43:59,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:43:59,970 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 [2020-10-27 08:43:59,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:43:59,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:43:59,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:43:59,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:43:59,998 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:43:59,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:43:59,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:43:59,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:43:59,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:43:59,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:43:59,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:43:59,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:44:00,000 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:44:00,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:44:00,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:44:00,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:44:00,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:44:00,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:44:00,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:44:00,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:44:00,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:44:00,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:44:00,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:44:00,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:44:00,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:44:00,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:44:00,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:44:00,395 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:44:00,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-27 08:44:00,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2637937ed/c211d7b4c041486c87fb971a57493096/FLAG84ff4ed5e [2020-10-27 08:44:01,489 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:44:01,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-27 08:44:01,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2637937ed/c211d7b4c041486c87fb971a57493096/FLAG84ff4ed5e [2020-10-27 08:44:01,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2637937ed/c211d7b4c041486c87fb971a57493096 [2020-10-27 08:44:01,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:44:01,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:44:01,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:44:01,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:44:01,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:44:01,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:44:01" (1/1) ... [2020-10-27 08:44:01,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e917228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:01, skipping insertion in model container [2020-10-27 08:44:01,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:44:01" (1/1) ... [2020-10-27 08:44:01,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:44:02,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:44:03,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:44:03,859 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:44:04,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:44:04,660 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:44:04,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04 WrapperNode [2020-10-27 08:44:04,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:44:04,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:44:04,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:44:04,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:44:04,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (1/1) ... [2020-10-27 08:44:04,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:44:04,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:44:04,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:44:04,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:44:04,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (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 [2020-10-27 08:44:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:44:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:44:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-27 08:44:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:44:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:44:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-27 08:44:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:44:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:44:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2020-10-27 08:44:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2020-10-27 08:44:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2020-10-27 08:44:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2020-10-27 08:44:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2020-10-27 08:44:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:44:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2020-10-27 08:44:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2020-10-27 08:44:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2020-10-27 08:44:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:44:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:44:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-27 08:44:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 08:44:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-27 08:44:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2020-10-27 08:44:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-27 08:44:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2020-10-27 08:44:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-27 08:44:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:44:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 08:44:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:44:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:44:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-27 08:44:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:44:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:44:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:44:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:44:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2020-10-27 08:44:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-27 08:44:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-27 08:44:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2020-10-27 08:44:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2020-10-27 08:44:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-27 08:44:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:44:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:44:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:44:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2020-10-27 08:44:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-27 08:44:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2020-10-27 08:44:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2020-10-27 08:44:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2020-10-27 08:44:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2020-10-27 08:44:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2020-10-27 08:44:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2020-10-27 08:44:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:44:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:44:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:44:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:44:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:44:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:44:06,629 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:44:32,761 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:44:33,945 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:44:33,945 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 08:44:33,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:44:33 BoogieIcfgContainer [2020-10-27 08:44:33,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:44:33,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:44:33,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:44:33,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:44:33,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:44:01" (1/3) ... [2020-10-27 08:44:33,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5408a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:44:33, skipping insertion in model container [2020-10-27 08:44:33,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:44:04" (2/3) ... [2020-10-27 08:44:33,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5408a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:44:33, skipping insertion in model container [2020-10-27 08:44:33,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:44:33" (3/3) ... [2020-10-27 08:44:33,960 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-27 08:44:33,978 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:44:33,988 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:44:34,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:44:34,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:44:34,056 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:44:34,056 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:44:34,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:44:34,056 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:44:34,056 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:44:34,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:44:34,056 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:44:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states. [2020-10-27 08:44:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 08:44:34,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:44:34,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:44:34,140 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:44:34,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:44:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1134538530, now seen corresponding path program 1 times [2020-10-27 08:44:34,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:44:34,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010003488] [2020-10-27 08:44:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:44:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:35,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:39,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:39,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 08:44:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:44:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5149 [2020-10-27 08:44:39,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:44:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:44:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 08:44:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:44:41,917 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 352 [2020-10-27 08:44:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:42,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:43,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-27 08:44:43,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:44:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:44:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:43,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:44:43,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:44:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:44:43,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:44:43,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:44:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 08:44:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:44:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:44:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 08:44:43,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:44:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:44:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:44:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:44:43,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:44:43,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:44:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:44:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:44:43,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:44:43,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:43,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:44:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:44:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:44:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:44:43,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:44:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:44:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:44:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:44:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:44:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:44:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:44:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:44:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:44:43,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010003488] [2020-10-27 08:44:43,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:44:43,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 08:44:43,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546449303] [2020-10-27 08:44:43,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 08:44:43,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:44:43,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 08:44:43,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 08:44:43,514 INFO L87 Difference]: Start difference. First operand 1240 states. Second operand 8 states. [2020-10-27 08:44:47,618 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 355 [2020-10-27 08:45:53,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:45:53,617 INFO L93 Difference]: Finished difference Result 3883 states and 5463 transitions. [2020-10-27 08:45:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 08:45:53,620 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-10-27 08:45:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:45:53,673 INFO L225 Difference]: With dead ends: 3883 [2020-10-27 08:45:53,673 INFO L226 Difference]: Without dead ends: 2783 [2020-10-27 08:45:53,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-27 08:45:53,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2020-10-27 08:45:54,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2182. [2020-10-27 08:45:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2182 states. [2020-10-27 08:45:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2905 transitions. [2020-10-27 08:45:54,445 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2905 transitions. Word has length 46 [2020-10-27 08:45:54,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:45:54,446 INFO L481 AbstractCegarLoop]: Abstraction has 2182 states and 2905 transitions. [2020-10-27 08:45:54,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 08:45:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2905 transitions. [2020-10-27 08:45:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 08:45:54,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:45:54,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:45:54,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:45:54,458 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:45:54,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:45:54,458 INFO L82 PathProgramCache]: Analyzing trace with hash 153151536, now seen corresponding path program 1 times [2020-10-27 08:45:54,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:45:54,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937264964] [2020-10-27 08:45:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:45:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 08:45:59,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 08:45:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:01,575 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 352 [2020-10-27 08:46:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:02,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-27 08:46:02,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:46:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:46:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:02,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:46:02,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:46:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:46:02,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:46:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:46:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 08:46:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:02,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:46:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 08:46:02,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:02,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:02,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:46:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:46:02,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:46:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:46:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:46:02,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:46:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:46:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:02,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:02,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:02,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:02,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:02,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:46:02,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:02,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:02,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:02,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:02,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:46:02,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937264964] [2020-10-27 08:46:02,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:46:02,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:46:02,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781400758] [2020-10-27 08:46:02,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:46:02,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:46:02,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:46:02,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:46:02,715 INFO L87 Difference]: Start difference. First operand 2182 states and 2905 transitions. Second operand 7 states. [2020-10-27 08:46:06,695 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 355 [2020-10-27 08:46:48,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:46:48,631 INFO L93 Difference]: Finished difference Result 7562 states and 10480 transitions. [2020-10-27 08:46:48,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 08:46:48,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 08:46:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:46:48,669 INFO L225 Difference]: With dead ends: 7562 [2020-10-27 08:46:48,669 INFO L226 Difference]: Without dead ends: 5397 [2020-10-27 08:46:48,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-27 08:46:48,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2020-10-27 08:46:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 4559. [2020-10-27 08:46:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4559 states. [2020-10-27 08:46:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 6149 transitions. [2020-10-27 08:46:49,478 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 6149 transitions. Word has length 47 [2020-10-27 08:46:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:46:49,478 INFO L481 AbstractCegarLoop]: Abstraction has 4559 states and 6149 transitions. [2020-10-27 08:46:49,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:46:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 6149 transitions. [2020-10-27 08:46:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 08:46:49,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:46:49,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:46:49,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:46:49,481 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:46:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:46:49,482 INFO L82 PathProgramCache]: Analyzing trace with hash -200397019, now seen corresponding path program 1 times [2020-10-27 08:46:49,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:46:49,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619148779] [2020-10-27 08:46:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:46:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:49,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:49,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:50,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 08:46:54,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:46:54,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5306 [2020-10-27 08:46:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:46:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:46:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 08:46:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:56,905 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 352 [2020-10-27 08:46:56,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:46:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:57,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:46:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:46:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:46:57,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:46:57,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:46:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 08:46:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:46:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 08:46:57,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:46:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:46:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:46:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:57,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:57,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:57,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:46:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:58,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:46:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:46:58,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619148779] [2020-10-27 08:46:58,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:46:58,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:46:58,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112977033] [2020-10-27 08:46:58,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:46:58,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:46:58,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:46:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:46:58,030 INFO L87 Difference]: Start difference. First operand 4559 states and 6149 transitions. Second operand 7 states. [2020-10-27 08:47:01,909 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 354