/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/AutomizerCInline.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_drivers-net-ethernet-8390-axnet_cs.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 01:32:47,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 01:32:47,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 01:32:47,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 01:32:47,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 01:32:47,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 01:32:47,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 01:32:47,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 01:32:47,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 01:32:47,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 01:32:47,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 01:32:47,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 01:32:47,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 01:32:47,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 01:32:47,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 01:32:47,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 01:32:47,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 01:32:47,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 01:32:47,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 01:32:47,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 01:32:47,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 01:32:47,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 01:32:47,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 01:32:47,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 01:32:47,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 01:32:47,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 01:32:47,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 01:32:47,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 01:32:47,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 01:32:47,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 01:32:47,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 01:32:47,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 01:32:47,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 01:32:47,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 01:32:47,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 01:32:47,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 01:32:47,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 01:32:47,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 01:32:47,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 01:32:47,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 01:32:47,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 01:32:47,912 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 01:32:47,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 01:32:47,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 01:32:47,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 01:32:47,936 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 01:32:47,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 01:32:47,936 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 01:32:47,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 01:32:47,937 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 01:32:47,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 01:32:47,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 01:32:47,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 01:32:47,937 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 01:32:47,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 01:32:47,940 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 01:32:47,941 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 01:32:47,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 01:32:47,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 01:32:47,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 01:32:47,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 01:32:47,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 01:32:47,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 01:32:47,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 01:32:47,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 01:32:47,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 01:32:47,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 01:32:47,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 01:32:47,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 01:32:47,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 01:32:47,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 01:32:47,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 01:32:47,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 01:32:47,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 01:32:47,948 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 01:32:48,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 01:32:48,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 01:32:48,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 01:32:48,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 01:32:48,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 01:32:48,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-11-24 01:32:48,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffefb6c63/ff6b272b6ffe47f08b89bbd99dbbc79d/FLAG0563be583 [2019-11-24 01:32:49,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 01:32:49,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-11-24 01:32:49,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffefb6c63/ff6b272b6ffe47f08b89bbd99dbbc79d/FLAG0563be583 [2019-11-24 01:32:49,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffefb6c63/ff6b272b6ffe47f08b89bbd99dbbc79d [2019-11-24 01:32:49,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 01:32:49,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 01:32:49,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 01:32:49,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 01:32:49,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 01:32:49,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:32:49" (1/1) ... [2019-11-24 01:32:49,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88dfd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:49, skipping insertion in model container [2019-11-24 01:32:49,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:32:49" (1/1) ... [2019-11-24 01:32:49,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 01:32:49,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 01:32:53,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:32:53,278 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 01:32:53,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:32:54,455 INFO L208 MainTranslator]: Completed translation [2019-11-24 01:32:54,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54 WrapperNode [2019-11-24 01:32:54,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 01:32:54,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 01:32:54,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 01:32:54,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 01:32:54,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:54,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 01:32:55,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 01:32:55,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 01:32:55,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 01:32:55,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (1/1) ... [2019-11-24 01:32:55,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 01:32:55,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 01:32:55,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 01:32:55,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 01:32:55,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (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 01:32:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 01:32:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 01:32:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 01:32:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 01:32:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 01:32:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2019-11-24 01:32:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2019-11-24 01:32:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 01:32:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 01:32:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 01:32:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 01:32:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 01:32:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 01:32:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 01:33:13,974 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2019-11-24 01:33:13,975 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2019-11-24 01:33:13,975 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2019-11-24 01:33:13,975 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2019-11-24 01:33:13,977 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2019-11-24 01:33:13,977 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-11-24 01:33:58,058 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 01:33:58,058 INFO L284 CfgBuilder]: Removed 8304 assume(true) statements. [2019-11-24 01:33:58,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:58 BoogieIcfgContainer [2019-11-24 01:33:58,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 01:33:58,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 01:33:58,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 01:33:58,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 01:33:58,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:32:49" (1/3) ... [2019-11-24 01:33:58,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b45337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:58, skipping insertion in model container [2019-11-24 01:33:58,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:32:54" (2/3) ... [2019-11-24 01:33:58,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b45337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:58, skipping insertion in model container [2019-11-24 01:33:58,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:58" (3/3) ... [2019-11-24 01:33:58,067 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-11-24 01:33:58,076 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 01:33:58,084 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 58 error locations. [2019-11-24 01:33:58,094 INFO L249 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2019-11-24 01:33:58,128 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 01:33:58,128 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 01:33:58,129 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 01:33:58,129 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 01:33:58,129 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 01:33:58,129 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 01:33:58,129 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 01:33:58,129 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 01:33:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states. [2019-11-24 01:33:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-24 01:33:58,176 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:33:58,177 INFO L410 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] [2019-11-24 01:33:58,178 INFO L410 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:33:58,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:33:58,184 INFO L82 PathProgramCache]: Analyzing trace with hash 483170989, now seen corresponding path program 1 times [2019-11-24 01:33:58,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:33:58,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59718995] [2019-11-24 01:33:58,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:33:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:33:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 01:33:58,926 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59718995] [2019-11-24 01:33:58,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:33:58,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:33:58,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367003269] [2019-11-24 01:33:58,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:33:58,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:33:58,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:33:58,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:33:58,950 INFO L87 Difference]: Start difference. First operand 1369 states. Second operand 3 states. [2019-11-24 01:34:01,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:34:01,736 INFO L93 Difference]: Finished difference Result 3845 states and 5860 transitions. [2019-11-24 01:34:01,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:34:01,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-24 01:34:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:34:01,763 INFO L225 Difference]: With dead ends: 3845 [2019-11-24 01:34:01,763 INFO L226 Difference]: Without dead ends: 1747 [2019-11-24 01:34:01,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:01,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2019-11-24 01:34:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1703. [2019-11-24 01:34:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-24 01:34:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2193 transitions. [2019-11-24 01:34:01,939 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2193 transitions. Word has length 22 [2019-11-24 01:34:01,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:34:01,942 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 2193 transitions. [2019-11-24 01:34:01,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:34:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2193 transitions. [2019-11-24 01:34:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-24 01:34:01,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:34:01,945 INFO L410 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] [2019-11-24 01:34:01,945 INFO L410 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:34:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:34:01,946 INFO L82 PathProgramCache]: Analyzing trace with hash -894839187, now seen corresponding path program 1 times [2019-11-24 01:34:01,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:34:01,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579208110] [2019-11-24 01:34:01,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:34:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:34:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 01:34:02,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579208110] [2019-11-24 01:34:02,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:34:02,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:34:02,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564394113] [2019-11-24 01:34:02,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:34:02,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:34:02,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:34:02,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:02,234 INFO L87 Difference]: Start difference. First operand 1703 states and 2193 transitions. Second operand 3 states. [2019-11-24 01:34:05,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:34:05,028 INFO L93 Difference]: Finished difference Result 4731 states and 6102 transitions. [2019-11-24 01:34:05,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:34:05,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-24 01:34:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:34:05,052 INFO L225 Difference]: With dead ends: 4731 [2019-11-24 01:34:05,053 INFO L226 Difference]: Without dead ends: 3057 [2019-11-24 01:34:05,059 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2019-11-24 01:34:05,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 2667. [2019-11-24 01:34:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2667 states. [2019-11-24 01:34:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3523 transitions. [2019-11-24 01:34:05,193 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3523 transitions. Word has length 23 [2019-11-24 01:34:05,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:34:05,193 INFO L462 AbstractCegarLoop]: Abstraction has 2667 states and 3523 transitions. [2019-11-24 01:34:05,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:34:05,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3523 transitions. [2019-11-24 01:34:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-24 01:34:05,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:34:05,195 INFO L410 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] [2019-11-24 01:34:05,196 INFO L410 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:34:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:34:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1725522263, now seen corresponding path program 1 times [2019-11-24 01:34:05,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:34:05,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912617674] [2019-11-24 01:34:05,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:34:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:34:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 01:34:05,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912617674] [2019-11-24 01:34:05,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:34:05,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:34:05,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402017048] [2019-11-24 01:34:05,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:34:05,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:34:05,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:34:05,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:05,534 INFO L87 Difference]: Start difference. First operand 2667 states and 3523 transitions. Second operand 3 states. [2019-11-24 01:34:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:34:10,143 INFO L93 Difference]: Finished difference Result 4858 states and 6461 transitions. [2019-11-24 01:34:10,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:34:10,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-24 01:34:10,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:34:10,163 INFO L225 Difference]: With dead ends: 4858 [2019-11-24 01:34:10,163 INFO L226 Difference]: Without dead ends: 2220 [2019-11-24 01:34:10,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:10,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2019-11-24 01:34:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1911. [2019-11-24 01:34:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1911 states. [2019-11-24 01:34:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2532 transitions. [2019-11-24 01:34:10,269 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2532 transitions. Word has length 26 [2019-11-24 01:34:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:34:10,270 INFO L462 AbstractCegarLoop]: Abstraction has 1911 states and 2532 transitions. [2019-11-24 01:34:10,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:34:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2532 transitions. [2019-11-24 01:34:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-24 01:34:10,277 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:34:10,277 INFO L410 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] [2019-11-24 01:34:10,278 INFO L410 AbstractCegarLoop]: === Iteration 4 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:34:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:34:10,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2074982797, now seen corresponding path program 1 times [2019-11-24 01:34:10,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:34:10,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888101617] [2019-11-24 01:34:10,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:34:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:34:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 01:34:10,529 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888101617] [2019-11-24 01:34:10,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:34:10,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:34:10,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645170961] [2019-11-24 01:34:10,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:34:10,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:34:10,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:34:10,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:10,531 INFO L87 Difference]: Start difference. First operand 1911 states and 2532 transitions. Second operand 3 states. [2019-11-24 01:34:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:34:13,112 INFO L93 Difference]: Finished difference Result 4581 states and 6041 transitions. [2019-11-24 01:34:13,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:34:13,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-11-24 01:34:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:34:13,135 INFO L225 Difference]: With dead ends: 4581 [2019-11-24 01:34:13,135 INFO L226 Difference]: Without dead ends: 2699 [2019-11-24 01:34:13,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:34:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2019-11-24 01:34:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2479. [2019-11-24 01:34:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2019-11-24 01:34:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3299 transitions. [2019-11-24 01:34:13,544 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3299 transitions. Word has length 30 [2019-11-24 01:34:13,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:34:13,545 INFO L462 AbstractCegarLoop]: Abstraction has 2479 states and 3299 transitions. [2019-11-24 01:34:13,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:34:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3299 transitions. [2019-11-24 01:34:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37