/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 12:30:07,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 12:30:07,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 12:30:07,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 12:30:07,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 12:30:07,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 12:30:07,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 12:30:07,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 12:30:07,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 12:30:07,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 12:30:07,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 12:30:07,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 12:30:07,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 12:30:07,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 12:30:07,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 12:30:07,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 12:30:07,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 12:30:07,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 12:30:07,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 12:30:07,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 12:30:07,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 12:30:07,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 12:30:07,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 12:30:07,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 12:30:07,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 12:30:07,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 12:30:07,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 12:30:07,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 12:30:07,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 12:30:07,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 12:30:07,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 12:30:07,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 12:30:07,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 12:30:07,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 12:30:07,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 12:30:07,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 12:30:07,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 12:30:07,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 12:30:07,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 12:30:07,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 12:30:07,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 12:30:07,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 12:30:07,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 12:30:07,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 12:30:07,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 12:30:07,104 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 12:30:07,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 12:30:07,104 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 12:30:07,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 12:30:07,105 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 12:30:07,105 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 12:30:07,105 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 12:30:07,105 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 12:30:07,106 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 12:30:07,106 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 12:30:07,106 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 12:30:07,106 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 12:30:07,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 12:30:07,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 12:30:07,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 12:30:07,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 12:30:07,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 12:30:07,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 12:30:07,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 12:30:07,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 12:30:07,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 12:30:07,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 12:30:07,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 12:30:07,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 12:30:07,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 12:30:07,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 12:30:07,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 12:30:07,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 12:30:07,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 12:30:07,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 12:30:07,113 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 12:30:07,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 12:30:07,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 12:30:07,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 12:30:07,114 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 12:30:07,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 12:30:07,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 12:30:07,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 12:30:07,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 12:30:07,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 12:30:07,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-11-24 12:30:07,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c57f43bd/b8d1e2200a624ccd8e9c8a2083490d82/FLAG47afabb3e [2019-11-24 12:30:08,432 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 12:30:08,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-11-24 12:30:08,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c57f43bd/b8d1e2200a624ccd8e9c8a2083490d82/FLAG47afabb3e [2019-11-24 12:30:08,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c57f43bd/b8d1e2200a624ccd8e9c8a2083490d82 [2019-11-24 12:30:08,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 12:30:08,828 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 12:30:08,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 12:30:08,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 12:30:08,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 12:30:08,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:30:08" (1/1) ... [2019-11-24 12:30:08,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730a066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:08, skipping insertion in model container [2019-11-24 12:30:08,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:30:08" (1/1) ... [2019-11-24 12:30:08,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 12:30:09,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 12:30:13,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 12:30:13,948 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 12:30:14,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 12:30:15,355 INFO L208 MainTranslator]: Completed translation [2019-11-24 12:30:15,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15 WrapperNode [2019-11-24 12:30:15,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 12:30:15,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 12:30:15,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 12:30:15,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 12:30:15,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:15,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:16,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 12:30:16,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 12:30:16,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 12:30:16,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 12:30:16,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:16,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:16,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:16,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:17,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:17,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:17,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... [2019-11-24 12:30:17,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 12:30:17,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 12:30:17,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 12:30:17,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 12:30:17,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-24 12:30:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-24 12:30:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-24 12:30:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 12:30:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 12:30:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 12:30:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 12:30:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2019-11-24 12:30:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2019-11-24 12:30:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 12:30:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2019-11-24 12:30:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2019-11-24 12:30:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 12:30:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 12:30:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 12:30:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 12:30:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 12:30:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2019-11-24 12:30:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2019-11-24 12:30:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2019-11-24 12:30:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2019-11-24 12:30:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2019-11-24 12:30:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2019-11-24 12:30:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 12:30:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-11-24 12:30:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2019-11-24 12:30:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2019-11-24 12:30:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 12:30:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-24 12:30:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-24 12:30:35,492 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2019-11-24 12:30:35,493 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2019-11-24 12:30:35,494 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2019-11-24 12:30:35,495 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2019-11-24 12:30:35,496 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2019-11-24 12:30:35,496 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true;