/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:51:09,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:51:09,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:51:09,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:51:09,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:51:09,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:51:09,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:51:09,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:51:09,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:51:09,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:51:09,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:51:09,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:51:09,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:51:09,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:51:09,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:51:09,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:51:09,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:51:09,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:51:09,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:51:09,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:51:09,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:51:09,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:51:09,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:51:09,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:51:09,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:51:09,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:51:09,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:51:09,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:51:09,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:51:09,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:51:09,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:51:09,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:51:09,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:51:09,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:51:09,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:51:09,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:51:09,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:51:09,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:51:09,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:51:09,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:51:09,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:51:09,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 17:51:10,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:51:10,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:51:10,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:51:10,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:51:10,008 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:51:10,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:51:10,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:51:10,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:51:10,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:51:10,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:51:10,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:51:10,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:51:10,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:51:10,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:51:10,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:51:10,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:51:10,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:51:10,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:51:10,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:51:10,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:51:10,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:51:10,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:51:10,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:51:10,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:51:10,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:51:10,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:51:10,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 17:51:10,013 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 17:51:10,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:51:10,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:51:10,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:51:10,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:51:10,512 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:51:10,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 17:51:10,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/842263f2a/9de3b5206c654dbf9f2a5476ac7186d9/FLAGda66d6978 [2020-09-24 17:51:11,313 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:51:11,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 17:51:11,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/842263f2a/9de3b5206c654dbf9f2a5476ac7186d9/FLAGda66d6978 [2020-09-24 17:51:11,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/842263f2a/9de3b5206c654dbf9f2a5476ac7186d9 [2020-09-24 17:51:11,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:51:11,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:51:11,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:51:11,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:51:11,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:51:11,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:51:11" (1/1) ... [2020-09-24 17:51:11,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e1467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:11, skipping insertion in model container [2020-09-24 17:51:11,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:51:11" (1/1) ... [2020-09-24 17:51:11,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:51:11,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:51:11,977 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 17:51:11,978 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 17:51:12,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:51:12,559 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:51:12,615 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 17:51:12,616 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 17:51:12,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:51:12,777 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:51:12,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12 WrapperNode [2020-09-24 17:51:12,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:51:12,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:51:12,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:51:12,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:51:12,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... [2020-09-24 17:51:12,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:51:12,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:51:12,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:51:12,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:51:12,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:51:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:51:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:51:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 17:51:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 17:51:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 17:51:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 17:51:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 17:51:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 17:51:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 17:51:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:51:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 17:51:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 17:51:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 17:51:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 17:51:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 17:51:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 17:51:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 17:51:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 17:51:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 17:51:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-24 17:51:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-24 17:51:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-24 17:51:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-24 17:51:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-24 17:51:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-24 17:51:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-24 17:51:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-24 17:51:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 17:51:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-24 17:51:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 17:51:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 17:51:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 17:51:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-24 17:51:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-24 17:51:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 17:51:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 17:51:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 17:51:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 17:51:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 17:51:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 17:51:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-24 17:51:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-24 17:51:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-24 17:51:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 17:51:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-24 17:51:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 17:51:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 17:51:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 17:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 17:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 17:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 17:51:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:51:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 17:51:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 17:51:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-24 17:51:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 17:51:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:51:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 17:51:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 17:51:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 17:51:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 17:51:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 17:51:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 17:51:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 17:51:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 17:51:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 17:51:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:51:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 17:51:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:51:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 17:51:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:51:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:51:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 17:51:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:51:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 17:51:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 17:51:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 17:51:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 17:51:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 17:51:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 17:51:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 17:51:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 17:51:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 17:51:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-24 17:51:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-24 17:51:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-24 17:51:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-24 17:51:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-24 17:51:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-24 17:51:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-24 17:51:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-24 17:51:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-24 17:51:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-24 17:51:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-24 17:51:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-24 17:51:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-24 17:51:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-24 17:51:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-24 17:51:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:51:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:51:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:51:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-24 17:51:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-24 17:51:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-24 17:51:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 17:51:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 17:51:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 17:51:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:51:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 17:51:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 17:51:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 17:51:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 17:51:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 17:51:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 17:51:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:51:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:51:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:51:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:51:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 17:51:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:51:14,210 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 17:51:15,098 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:51:15,098 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 17:51:15,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:51:15 BoogieIcfgContainer [2020-09-24 17:51:15,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:51:15,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:51:15,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:51:15,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:51:15,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:51:11" (1/3) ... [2020-09-24 17:51:15,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508765e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:51:15, skipping insertion in model container [2020-09-24 17:51:15,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:51:12" (2/3) ... [2020-09-24 17:51:15,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508765e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:51:15, skipping insertion in model container [2020-09-24 17:51:15,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:51:15" (3/3) ... [2020-09-24 17:51:15,124 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 17:51:15,138 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:51:15,150 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:51:15,176 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:51:15,217 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:51:15,217 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:51:15,217 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:51:15,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:51:15,218 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:51:15,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:51:15,218 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:51:15,218 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:51:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-24 17:51:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-24 17:51:15,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:51:15,299 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:51:15,299 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:51:15,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:51:15,308 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-24 17:51:15,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:51:15,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781159150] [2020-09-24 17:51:15,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:51:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:16,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:16,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:19,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:20,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:21,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:55,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:55,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-24 17:51:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 17:51:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39867 [2020-09-24 17:51:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-24 17:51:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:51:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,157 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 17:51:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 17:51:56,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-09-24 17:51:56,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 17:51:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 17:51:56,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 17:51:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 17:51:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:56,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:51:56,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 17:51:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:51:56,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:51:56,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 17:51:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:51:56,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 17:51:56,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 17:51:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 17:51:56,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 17:51:56,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-24 17:51:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 17:51:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:51:56,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 17:51:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:56,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 17:51:56,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 17:51:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:51:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:51:56,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 17:51:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:56,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:51:56,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-24 17:51:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:51:56,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:51:56,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 17:51:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:56,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-24 17:51:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:56,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:56,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:56,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:56,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:51:56,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:51:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 17:51:57,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781159150] [2020-09-24 17:51:57,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:51:57,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:51:57,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188603858] [2020-09-24 17:51:57,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:51:57,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:51:57,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:51:57,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:51:57,243 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-24 17:51:57,461 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 17:52:01,330 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 142