/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 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=BIGGEST --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 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:59:52,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:59:52,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:59:52,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:59:52,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:59:52,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:59:52,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:59:52,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:59:52,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:59:52,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:59:52,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:59:52,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:59:52,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:59:52,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:59:52,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:59:52,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:59:52,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:59:52,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:59:52,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:59:52,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:59:52,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:59:52,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:59:52,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:59:52,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:59:52,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:59:52,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:59:52,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:59:52,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:59:52,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:59:52,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:59:52,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:59:52,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:59:52,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:59:52,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:59:52,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:59:52,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:59:52,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:59:52,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:59:52,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:59:52,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:59:52,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:59:52,908 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 [2020-10-12 22:59:52,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:59:52,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:59:52,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:59:52,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:59:52,933 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:59:52,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:59:52,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:59:52,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:59:52,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:59:52,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:59:52,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:59:52,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:59:52,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:59:52,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:59:52,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:59:52,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:59:52,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:59:52,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:59:52,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:59:52,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:59:52,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:59:52,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:59:52,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:59:52,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:59:52,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:59:52,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:59:52,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:59:52,938 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 -> 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 22:59:53,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:59:53,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:59:53,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:59:53,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:59:53,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:59:53,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-12 22:59:53,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06431464f/a33475331f2244cc97545220bc54ae7d/FLAG4e2f5b24f [2020-10-12 22:59:54,114 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:59:54,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-12 22:59:54,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06431464f/a33475331f2244cc97545220bc54ae7d/FLAG4e2f5b24f [2020-10-12 22:59:54,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06431464f/a33475331f2244cc97545220bc54ae7d [2020-10-12 22:59:54,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:59:54,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:59:54,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:59:54,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:59:54,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:59:54,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:54" (1/1) ... [2020-10-12 22:59:54,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48de9ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:54, skipping insertion in model container [2020-10-12 22:59:54,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:54" (1/1) ... [2020-10-12 22:59:54,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:59:54,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:59:56,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:59:56,593 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:59:57,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:59:57,376 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:59:57,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57 WrapperNode [2020-10-12 22:59:57,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:59:57,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:59:57,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:59:57,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:59:57,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (1/1) ... [2020-10-12 22:59:57,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:59:57,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:59:57,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:59:57,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:59:57,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (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 [2020-10-12 22:59:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:59:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:59:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2020-10-12 22:59:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-12 22:59:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-12 22:59:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 22:59:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:59:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-12 22:59:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-12 22:59:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 22:59:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2020-10-12 22:59:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 22:59:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-12 22:59:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-12 22:59:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-12 22:59:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2020-10-12 22:59:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-12 22:59:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-12 22:59:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:59:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-12 22:59:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-12 22:59:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-12 22:59:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-12 22:59:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-12 22:59:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:59:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-12 22:59:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-12 22:59:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-12 22:59:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-12 22:59:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 22:59:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2020-10-12 22:59:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2020-10-12 22:59:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2020-10-12 22:59:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2020-10-12 22:59:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2020-10-12 22:59:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2020-10-12 22:59:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2020-10-12 22:59:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2020-10-12 22:59:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2020-10-12 22:59:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2020-10-12 22:59:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2020-10-12 22:59:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2020-10-12 22:59:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2020-10-12 22:59:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2020-10-12 22:59:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2020-10-12 22:59:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2020-10-12 22:59:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2020-10-12 22:59:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2020-10-12 22:59:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2020-10-12 22:59:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2020-10-12 22:59:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2020-10-12 22:59:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2020-10-12 22:59:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2020-10-12 22:59:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2020-10-12 22:59:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2020-10-12 22:59:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2020-10-12 22:59:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2020-10-12 22:59:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2020-10-12 22:59:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2020-10-12 22:59:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2020-10-12 22:59:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2020-10-12 22:59:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2020-10-12 22:59:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2020-10-12 22:59:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2020-10-12 22:59:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2020-10-12 22:59:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2020-10-12 22:59:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2020-10-12 22:59:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2020-10-12 22:59:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2020-10-12 22:59:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2020-10-12 22:59:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2020-10-12 22:59:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2020-10-12 22:59:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2020-10-12 22:59:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:59:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-12 22:59:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-12 22:59:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-12 22:59:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-12 22:59:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-12 22:59:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-12 22:59:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:59:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2020-10-12 22:59:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-10-12 22:59:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2020-10-12 22:59:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2020-10-12 22:59:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2020-10-12 22:59:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2020-10-12 22:59:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2020-10-12 22:59:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 22:59:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:59:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:59:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:59:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-12 22:59:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-12 22:59:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 22:59:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 22:59:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-12 22:59:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-12 22:59:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-12 22:59:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-12 22:59:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2020-10-12 22:59:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2020-10-12 22:59:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2020-10-12 22:59:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2020-10-12 22:59:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-12 22:59:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-12 22:59:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-12 22:59:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2020-10-12 22:59:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-12 22:59:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2020-10-12 22:59:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2020-10-12 22:59:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-12 22:59:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-12 22:59:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-10-12 22:59:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-12 22:59:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 22:59:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2020-10-12 22:59:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2020-10-12 22:59:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-12 22:59:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2020-10-12 22:59:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2020-10-12 22:59:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-12 22:59:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-12 22:59:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-12 22:59:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2020-10-12 22:59:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2020-10-12 22:59:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-12 22:59:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-12 22:59:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-12 22:59:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-12 22:59:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:59:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 22:59:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 22:59:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-12 22:59:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:59:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-12 22:59:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-12 22:59:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:59:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 22:59:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-12 22:59:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-12 22:59:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-12 22:59:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-12 22:59:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-12 22:59:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2020-10-12 22:59:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2020-10-12 22:59:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2020-10-12 22:59:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-12 22:59:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-12 22:59:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 22:59:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2020-10-12 22:59:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-12 22:59:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2020-10-12 22:59:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-12 22:59:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2020-10-12 22:59:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-12 22:59:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2020-10-12 22:59:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2020-10-12 22:59:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:59:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2020-10-12 22:59:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2020-10-12 22:59:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-12 22:59:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2020-10-12 22:59:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2020-10-12 22:59:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2020-10-12 22:59:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2020-10-12 22:59:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2020-10-12 22:59:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-12 22:59:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2020-10-12 22:59:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2020-10-12 22:59:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2020-10-12 22:59:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2020-10-12 22:59:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-10-12 22:59:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:59:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:59:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 22:59:59,974 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 22:59:59,974 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 23:00:00,924 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:00:00,960 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-12 23:00:00,961 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-12 23:00:02,697 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:00:02,727 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-12 23:00:02,728 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-12 23:00:02,830 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:00:02,872 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-12 23:00:02,872 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-12 23:00:03,016 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-12 23:00:03,016 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-12 23:00:03,017 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-12 23:00:05,800 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:00:05,801 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 23:00:05,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:05 BoogieIcfgContainer [2020-10-12 23:00:05,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:00:05,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:00:05,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:00:05,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:00:05,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:59:54" (1/3) ... [2020-10-12 23:00:05,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34843d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:00:05, skipping insertion in model container [2020-10-12 23:00:05,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:57" (2/3) ... [2020-10-12 23:00:05,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34843d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:00:05, skipping insertion in model container [2020-10-12 23:00:05,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:05" (3/3) ... [2020-10-12 23:00:05,824 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-12 23:00:05,834 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:00:05,843 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:00:05,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:00:05,887 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:00:05,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:00:05,887 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:00:05,887 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:00:05,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:00:05,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:00:05,888 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:00:05,888 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:00:05,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states. [2020-10-12 23:00:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-12 23:00:05,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:00:05,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:00:05,943 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:00:05,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:00:05,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1420376071, now seen corresponding path program 1 times [2020-10-12 23:00:05,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:00:05,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975254559] [2020-10-12 23:00:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:00:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:06,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:08,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:08,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 23:00:08,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:08,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1666 [2020-10-12 23:00:08,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:00:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:00:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 23:00:08,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 23:00:08,681 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:00:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:00:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:08,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:09,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:09,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:00:09,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-12 23:00:09,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:00:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:00:09,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:00:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:09,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:09,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:09,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:00:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:00:09,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:00:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:00:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:00:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:09,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:09,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:09,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:00:09,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:09,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 23:00:09,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:00:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:00:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:00:09,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975254559] [2020-10-12 23:00:09,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:00:09,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 23:00:09,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168997626] [2020-10-12 23:00:09,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 23:00:09,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:00:09,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 23:00:09,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:00:09,243 INFO L87 Difference]: Start difference. First operand 1594 states. Second operand 5 states. [2020-10-12 23:00:10,348 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:00:44,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:00:44,232 INFO L93 Difference]: Finished difference Result 4959 states and 6730 transitions. [2020-10-12 23:00:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 23:00:44,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-12 23:00:44,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:00:44,283 INFO L225 Difference]: With dead ends: 4959 [2020-10-12 23:00:44,284 INFO L226 Difference]: Without dead ends: 3425 [2020-10-12 23:00:44,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 23:00:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2020-10-12 23:00:45,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 2986. [2020-10-12 23:00:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2986 states. [2020-10-12 23:00:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3842 transitions. [2020-10-12 23:00:45,023 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3842 transitions. Word has length 21 [2020-10-12 23:00:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:00:45,024 INFO L479 AbstractCegarLoop]: Abstraction has 2986 states and 3842 transitions. [2020-10-12 23:00:45,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 23:00:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3842 transitions. [2020-10-12 23:00:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-12 23:00:45,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:00:45,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:00:45,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:00:45,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:00:45,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:00:45,035 INFO L82 PathProgramCache]: Analyzing trace with hash -614224175, now seen corresponding path program 1 times [2020-10-12 23:00:45,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:00:45,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757095981] [2020-10-12 23:00:45,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:00:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:50,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 23:00:50,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:00:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-12 23:00:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 23:00:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 23:00:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 23:00:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:00:50,844 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:00:50,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:00:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:50,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:00:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 23:00:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:00:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:00:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:00:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:00:51,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:00:51,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:00:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:00:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:00:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:00:51,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:00:51,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:00:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:00:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 23:00:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:00:51,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:00:51,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:00:51,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:00:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:00:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 23:00:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:00:51,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 23:00:51,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:00:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:00:51,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:00:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:00:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:00:51,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 23:00:51,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:00:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:00:51,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 23:00:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:00:51,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 23:00:51,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:00:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:00:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:00:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:00:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:00:51,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:00:51,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:00:51,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:00:51,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:00:51,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:00:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:00:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:00:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:00:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:00:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:00:51,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757095981] [2020-10-12 23:00:51,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:00:51,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 23:00:51,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528652422] [2020-10-12 23:00:51,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 23:00:51,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:00:51,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 23:00:51,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-12 23:00:51,533 INFO L87 Difference]: Start difference. First operand 2986 states and 3842 transitions. Second operand 15 states. [2020-10-12 23:01:01,368 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2020-10-12 23:01:02,297 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2020-10-12 23:01:03,290 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:01:04,390 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:01:05,372 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2020-10-12 23:01:12,414 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:01:13,084 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2020-10-12 23:01:13,719 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:01:14,453 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2020-10-12 23:01:15,128 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2020-10-12 23:01:27,312 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:01:28,068 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-12 23:01:28,836 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:01:29,656 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-12 23:01:36,566 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:02:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:02:55,230 INFO L93 Difference]: Finished difference Result 9234 states and 12726 transitions. [2020-10-12 23:02:55,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 23:02:55,231 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 65 [2020-10-12 23:02:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:02:55,282 INFO L225 Difference]: With dead ends: 9234 [2020-10-12 23:02:55,283 INFO L226 Difference]: Without dead ends: 7722 [2020-10-12 23:02:55,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 23:02:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7722 states. [2020-10-12 23:02:56,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7722 to 5685. [2020-10-12 23:02:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5685 states. [2020-10-12 23:02:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5685 states to 5685 states and 7351 transitions. [2020-10-12 23:02:56,432 INFO L78 Accepts]: Start accepts. Automaton has 5685 states and 7351 transitions. Word has length 65 [2020-10-12 23:02:56,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:02:56,433 INFO L479 AbstractCegarLoop]: Abstraction has 5685 states and 7351 transitions. [2020-10-12 23:02:56,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 23:02:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 5685 states and 7351 transitions. [2020-10-12 23:02:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-12 23:02:56,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:02:56,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:02:56,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:02:56,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:02:56,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:02:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash -676263789, now seen corresponding path program 1 times [2020-10-12 23:02:56,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:02:56,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141724827] [2020-10-12 23:02:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:02:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:02:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:02:57,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:01,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:01,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 23:03:01,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:03:01,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 23:03:01,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:01,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 23:03:01,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:03:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 23:03:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,286 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:03:02,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:03:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:03:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:03:02,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:03:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:03:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:03:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:03:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:03:02,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:03:02,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:03:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:03:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 23:03:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:03:02,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:03:02,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:03:02,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:03:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 23:03:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 23:03:02,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:03:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:03:02,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 23:03:02,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:03:02,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:03:02,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 23:03:02,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 23:03:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:03:02,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 23:03:02,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:03:02,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:03:02,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:03:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:03:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:03:02,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:03:02,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:03:02,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:03:02,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:03:02,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:03:02,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:03:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:03:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:03:02,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:03:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:03:02,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141724827] [2020-10-12 23:03:02,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:03:02,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 23:03:02,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352744412] [2020-10-12 23:03:02,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 23:03:02,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:03:02,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 23:03:02,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 23:03:02,977 INFO L87 Difference]: Start difference. First operand 5685 states and 7351 transitions. Second operand 10 states. [2020-10-12 23:03:06,122 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:03:15,770 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:03:24,656 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 301 DAG size of output: 298