/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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 11:33:26,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 11:33:26,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 11:33:26,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 11:33:26,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 11:33:26,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 11:33:26,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 11:33:26,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 11:33:26,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 11:33:26,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 11:33:26,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 11:33:26,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 11:33:26,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 11:33:26,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 11:33:26,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 11:33:26,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 11:33:26,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 11:33:26,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 11:33:26,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 11:33:26,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 11:33:26,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 11:33:26,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 11:33:26,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 11:33:26,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 11:33:26,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 11:33:26,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 11:33:26,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 11:33:26,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 11:33:26,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 11:33:26,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 11:33:26,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 11:33:26,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 11:33:26,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 11:33:26,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 11:33:26,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 11:33:26,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 11:33:26,614 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 11:33:26,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 11:33:26,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 11:33:26,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 11:33:26,654 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 11:33:26,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 11:33:26,654 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 11:33:26,654 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 11:33:26,655 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 11:33:26,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 11:33:26,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 11:33:26,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 11:33:26,655 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 11:33:26,656 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 11:33:26,656 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 11:33:26,656 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 11:33:26,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 11:33:26,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 11:33:26,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 11:33:26,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 11:33:26,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 11:33:26,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 11:33:26,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 11:33:26,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 11:33:26,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 11:33:26,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 11:33:26,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 11:33:26,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 11:33:26,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 11:33:26,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 11:33:26,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 11:33:26,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 11:33:26,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 11:33:26,664 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 11:33:26,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 11:33:26,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 11:33:26,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 11:33:26,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 11:33:26,938 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 11:33:26,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2019-11-24 11:33:26,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae610328/c8300c26dd69421d815bb25cfc23bf51/FLAGa4791cd02 [2019-11-24 11:33:27,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 11:33:27,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2019-11-24 11:33:27,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae610328/c8300c26dd69421d815bb25cfc23bf51/FLAGa4791cd02 [2019-11-24 11:33:28,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae610328/c8300c26dd69421d815bb25cfc23bf51 [2019-11-24 11:33:28,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 11:33:28,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 11:33:28,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 11:33:28,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 11:33:28,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 11:33:28,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:33:28" (1/1) ... [2019-11-24 11:33:28,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e7b6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:28, skipping insertion in model container [2019-11-24 11:33:28,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:33:28" (1/1) ... [2019-11-24 11:33:28,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 11:33:28,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 11:33:31,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:33:31,444 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 11:33:31,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:33:32,646 INFO L208 MainTranslator]: Completed translation [2019-11-24 11:33:32,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32 WrapperNode [2019-11-24 11:33:32,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 11:33:32,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 11:33:32,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 11:33:32,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 11:33:32,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:32,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:34,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 11:33:34,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 11:33:34,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 11:33:34,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 11:33:34,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:34,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:34,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:34,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:35,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:35,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:35,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (1/1) ... [2019-11-24 11:33:35,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 11:33:35,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 11:33:35,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 11:33:35,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 11:33:35,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:33:32" (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 11:33:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 11:33:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 11:33:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 11:33:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 11:33:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 11:33:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 11:33:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 11:33:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 11:33:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 11:33:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 11:34:16,824 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2019-11-24 11:34:16,825 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,825 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,825 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,825 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,826 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,826 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,826 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,826 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,827 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-11-24 11:34:16,828 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2019-11-24 11:34:16,829 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0;