/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 03:01:58,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:01:58,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:01:58,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:01:58,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:01:58,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:01:58,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:01:58,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:01:58,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:01:58,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:01:58,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:01:58,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:01:58,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:01:58,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:01:58,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:01:58,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:01:58,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:01:58,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:01:58,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:01:58,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:01:58,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:01:58,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:01:58,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:01:58,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:01:58,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:01:58,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:01:58,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:01:58,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:01:58,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:01:58,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:01:58,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:01:58,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:01:58,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:01:58,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:01:58,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:01:58,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:01:58,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:01:58,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:01:58,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:01:58,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:01:58,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:01:58,621 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 [2020-10-29 03:01:58,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:01:58,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:01:58,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:01:58,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:01:58,655 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:01:58,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:01:58,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:01:58,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:01:58,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:01:58,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:01:58,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:01:58,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:01:58,657 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:01:58,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:01:58,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:01:58,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:01:58,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:01:58,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:01:58,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:01:58,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:01:58,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:01:58,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:01:58,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:01:58,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:01:58,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:01:58,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:01:58,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 03:01:58,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:01:59,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:01:59,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:01:59,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:01:59,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:01:59,162 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:01:59,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2020-10-29 03:01:59,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa0a2490a/47a2a4ec230b4aebb2763d1454fa6013/FLAGe603f619c [2020-10-29 03:02:00,279 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:02:00,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2020-10-29 03:02:00,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa0a2490a/47a2a4ec230b4aebb2763d1454fa6013/FLAGe603f619c [2020-10-29 03:02:00,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa0a2490a/47a2a4ec230b4aebb2763d1454fa6013 [2020-10-29 03:02:00,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:02:00,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:02:00,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:02:00,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:02:00,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:02:00,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:02:00" (1/1) ... [2020-10-29 03:02:00,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762cb560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:00, skipping insertion in model container [2020-10-29 03:02:00,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:02:00" (1/1) ... [2020-10-29 03:02:00,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:02:00,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:02:02,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:02:02,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:02:02,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:02:02,866 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:02:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02 WrapperNode [2020-10-29 03:02:02,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:02:02,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:02:02,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:02:02,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:02:02,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:02,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (1/1) ... [2020-10-29 03:02:03,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:02:03,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:02:03,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:02:03,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:02:03,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (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 [2020-10-29 03:02:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:02:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:02:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 03:02:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 03:02:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 03:02:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-29 03:02:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-29 03:02:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 03:02:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2020-10-29 03:02:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 03:02:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:02:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 03:02:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-29 03:02:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-29 03:02:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-29 03:02:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-29 03:02:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-29 03:02:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-29 03:02:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-29 03:02:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-29 03:02:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-29 03:02:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-29 03:02:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-29 03:02:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-29 03:02:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-29 03:02:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 03:02:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 03:02:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-29 03:02:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2020-10-29 03:02:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2020-10-29 03:02:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2020-10-29 03:02:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2020-10-29 03:02:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2020-10-29 03:02:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2020-10-29 03:02:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2020-10-29 03:02:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_selfpowered [2020-10-29 03:02:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2020-10-29 03:02:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_controller_number [2020-10-29 03:02:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8_to_utf16le [2020-10-29 03:02:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_get_string [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_config_buf [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_endpoint [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_matches [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2020-10-29 03:02:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2020-10-29 03:02:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2020-10-29 03:02:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2020-10-29 03:02:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2020-10-29 03:02:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2020-10-29 03:02:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2020-10-29 03:02:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2020-10-29 03:02:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2020-10-29 03:02:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_read [2020-10-29 03:02:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2020-10-29 03:02:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2020-10-29 03:02:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2020-10-29 03:02:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_ioctl [2020-10-29 03:02:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2020-10-29 03:02:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2020-10-29 03:02:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_set_config [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure config_buf [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2020-10-29 03:02:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_disconnect [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_driver_1 [2020-10-29 03:02:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_5 [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_6 [2020-10-29 03:02:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_chrdev_region_7 [2020-10-29 03:02:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_8 [2020-10-29 03:02:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_register_driver_9 [2020-10-29 03:02:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_10 [2020-10-29 03:02:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_11 [2020-10-29 03:02:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_12 [2020-10-29 03:02:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_13 [2020-10-29 03:02:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_unregister_driver_14 [2020-10-29 03:02:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 03:02:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2020-10-29 03:02:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 03:02:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 03:02:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 03:02:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 03:02:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2020-10-29 03:02:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_region [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_usb_gadget [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_usb_gadget [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 03:02:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-29 03:02:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-29 03:02:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-29 03:02:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 03:02:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 03:02:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 03:02:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 03:02:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-29 03:02:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-29 03:02:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-29 03:02:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-29 03:02:03,493 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-29 03:02:03,493 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-29 03:02:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 03:02:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 03:02:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 03:02:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-29 03:02:03,501 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-29 03:02:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-29 03:02:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_register_driver [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-29 03:02:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 03:02:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 03:02:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 03:02:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 03:02:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:02:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:02:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 03:02:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 03:02:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2020-10-29 03:02:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_region [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_usb_gadget [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_usb_gadget [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-29 03:02:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 03:02:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-29 03:02:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-29 03:02:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 03:02:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-29 03:02:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-29 03:02:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-29 03:02:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 03:02:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 03:02:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_driver_1 [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-29 03:02:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-29 03:02:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_8 [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_10 [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_12 [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 03:02:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_chrdev_region_7 [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-29 03:02:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_11 [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_13 [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_6 [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-29 03:02:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_5 [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2020-10-29 03:02:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2020-10-29 03:02:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_selfpowered [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_register_driver [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_register_driver_9 [2020-10-29 03:02:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_unregister_driver_14 [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_get_string [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_config_buf [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_endpoint [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2020-10-29 03:02:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_controller_number [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure utf8_to_utf16le [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ep_matches [2020-10-29 03:02:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure printer_read [2020-10-29 03:02:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_ioctl [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure printer_set_config [2020-10-29 03:02:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure config_buf [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_disconnect [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2020-10-29 03:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:02:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:02:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 03:02:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 03:02:05,056 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 03:02:40,747 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 03:02:43,357 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:02:43,357 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 03:02:43,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:43 BoogieIcfgContainer [2020-10-29 03:02:43,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:02:43,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:02:43,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:02:43,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:02:43,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:02:00" (1/3) ... [2020-10-29 03:02:43,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d18d347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:02:43, skipping insertion in model container [2020-10-29 03:02:43,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:02" (2/3) ... [2020-10-29 03:02:43,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d18d347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:02:43, skipping insertion in model container [2020-10-29 03:02:43,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:43" (3/3) ... [2020-10-29 03:02:43,377 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2020-10-29 03:02:43,390 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:02:43,398 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:02:43,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:02:43,453 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:02:43,453 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:02:43,453 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:02:43,453 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:02:43,453 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:02:43,454 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:02:43,454 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:02:43,454 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:02:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states. [2020-10-29 03:02:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 03:02:43,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:02:43,536 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:02:43,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:02:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:02:43,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1718031680, now seen corresponding path program 1 times [2020-10-29 03:02:43,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:02:43,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615734574] [2020-10-29 03:02:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:02:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:51,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:51,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-29 03:02:51,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:02:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6783 [2020-10-29 03:02:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:51,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:02:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-29 03:02:51,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 03:02:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 03:02:55,897 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 865 [2020-10-29 03:02:55,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:02:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:55,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:56,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:02:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:56,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:56,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:56,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:56,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 03:02:56,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:56,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:56,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:56,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 03:02:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:02:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:56,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:56,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:56,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:56,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 03:02:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:56,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:56,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:56,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:56,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:02:56,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:56,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 03:02:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:02:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:02:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 03:02:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 03:02:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:02:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:57,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 03:02:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:02:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 03:02:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:57,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:02:57,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 03:02:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:02:57,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:02:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:02:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:02:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:02:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:02:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:02:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 03:02:57,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615734574] [2020-10-29 03:02:57,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:02:57,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 03:02:57,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138971294] [2020-10-29 03:02:57,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 03:02:57,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:02:57,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 03:02:57,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 03:02:57,191 INFO L87 Difference]: Start difference. First operand 1620 states. Second operand 5 states. [2020-10-29 03:03:06,365 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification that was a NOOP. DAG size: 867 [2020-10-29 03:04:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:04:29,196 INFO L93 Difference]: Finished difference Result 5029 states and 7239 transitions. [2020-10-29 03:04:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 03:04:29,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-10-29 03:04:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:04:29,261 INFO L225 Difference]: With dead ends: 5029 [2020-10-29 03:04:29,261 INFO L226 Difference]: Without dead ends: 3415 [2020-10-29 03:04:29,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 03:04:29,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2020-10-29 03:04:30,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 2756. [2020-10-29 03:04:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2756 states. [2020-10-29 03:04:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3785 transitions. [2020-10-29 03:04:30,715 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3785 transitions. Word has length 70 [2020-10-29 03:04:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:04:30,716 INFO L481 AbstractCegarLoop]: Abstraction has 2756 states and 3785 transitions. [2020-10-29 03:04:30,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 03:04:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3785 transitions. [2020-10-29 03:04:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 03:04:30,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:04:30,723 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:04:30,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 03:04:30,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:04:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:04:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1966608436, now seen corresponding path program 1 times [2020-10-29 03:04:30,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:04:30,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68636146] [2020-10-29 03:04:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:04:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:36,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5834 [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 03:04:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:04:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 03:04:36,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:41,758 WARN L193 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 865 [2020-10-29 03:04:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:04:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:41,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:04:43,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1732 [2020-10-29 03:04:43,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 03:04:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:04:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:04:43,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:04:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:04:43,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 03:04:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:04:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 03:04:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 03:04:43,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 03:04:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 03:04:43,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:04:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 03:04:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 03:04:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:04:43,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:04:43,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:04:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:04:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:43,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:04:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 03:04:43,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68636146] [2020-10-29 03:04:43,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:04:43,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 03:04:43,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145412972] [2020-10-29 03:04:43,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 03:04:43,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:04:43,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 03:04:43,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 03:04:43,971 INFO L87 Difference]: Start difference. First operand 2756 states and 3785 transitions. Second operand 6 states. [2020-10-29 03:04:51,151 WARN L193 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 867