./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4136e0a1dcbbf157e7e0dc3f3f6501529b906c5ba0f0c22165efacb3c320d25 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 23:47:42,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:47:42,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:47:42,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:47:42,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:47:42,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:47:42,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:47:42,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:47:42,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:47:42,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:47:42,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:47:42,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:47:42,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:47:42,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:47:42,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:47:42,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:47:42,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:47:42,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:47:42,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:47:42,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:47:42,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:47:42,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:47:42,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:47:42,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:47:42,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:47:42,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:47:42,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:47:42,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:47:42,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:47:42,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:47:42,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:47:42,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:47:42,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:47:42,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:47:42,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:47:42,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:47:42,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:47:42,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:47:42,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:47:42,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:47:42,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:47:42,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 23:47:42,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:47:42,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:47:42,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:47:42,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:47:42,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:47:42,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:47:42,300 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:47:42,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:47:42,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:47:42,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:47:42,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 23:47:42,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 23:47:42,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 23:47:42,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:47:42,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:47:42,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 23:47:42,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:47:42,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:47:42,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 23:47:42,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:47:42,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:47:42,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 23:47:42,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 23:47:42,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:47:42,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 23:47:42,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 23:47:42,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 23:47:42,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 23:47:42,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:47:42,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4136e0a1dcbbf157e7e0dc3f3f6501529b906c5ba0f0c22165efacb3c320d25 [2021-11-02 23:47:42,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:47:42,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:47:42,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:47:42,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:47:42,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:47:42,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-02 23:47:42,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cab50019/41ebce36f5f049fbb5d6fd8c09674d05/FLAG899cb6a12 [2021-11-02 23:47:43,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:47:43,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-02 23:47:43,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cab50019/41ebce36f5f049fbb5d6fd8c09674d05/FLAG899cb6a12 [2021-11-02 23:47:44,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cab50019/41ebce36f5f049fbb5d6fd8c09674d05 [2021-11-02 23:47:44,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:47:44,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:47:44,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:47:44,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:47:44,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:47:44,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:47:44" (1/1) ... [2021-11-02 23:47:44,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecc39e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:44, skipping insertion in model container [2021-11-02 23:47:44,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:47:44" (1/1) ... [2021-11-02 23:47:44,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:47:44,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:47:50,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i[520349,520362] [2021-11-02 23:47:50,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:47:50,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:47:51,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i[520349,520362] [2021-11-02 23:47:51,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:47:51,454 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:47:51,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51 WrapperNode [2021-11-02 23:47:51,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:47:51,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:47:51,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:47:51,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:47:51,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:51,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:55,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:47:55,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:47:55,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:47:55,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:47:55,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:55,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:56,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:56,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:58,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:58,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:58,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:59,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:47:59,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:47:59,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:47:59,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:47:59,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (1/1) ... [2021-11-02 23:47:59,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:47:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 23:47:59,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 23:47:59,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 23:47:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-02 23:47:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-02 23:47:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 23:47:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-02 23:47:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-02 23:47:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 23:47:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-02 23:47:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-02 23:47:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 23:47:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 23:47:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 23:47:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 23:47:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 23:47:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-02 23:47:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-02 23:47:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:47:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:47:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-02 23:47:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-02 23:47:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 23:47:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 23:47:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-02 23:47:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:47:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 23:47:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 23:47:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-02 23:47:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-02 23:47:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 23:47:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-02 23:47:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-02 23:47:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 23:47:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 23:47:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 00:00:24,869 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-03 00:00:24,870 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-03 00:00:24,870 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-03 00:00:24,870 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-03 00:00:24,874 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 00:00:24,875 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-03 00:00:25,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 00:00:25,180 INFO L299 CfgBuilder]: Removed 20442 assume(true) statements. [2021-11-03 00:00:25,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:00:25 BoogieIcfgContainer [2021-11-03 00:00:25,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 00:00:25,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 00:00:25,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 00:00:25,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 00:00:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:47:44" (1/3) ... [2021-11-03 00:00:25,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bea1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:00:25, skipping insertion in model container [2021-11-03 00:00:25,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:47:51" (2/3) ... [2021-11-03 00:00:25,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bea1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:00:25, skipping insertion in model container [2021-11-03 00:00:25,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:00:25" (3/3) ... [2021-11-03 00:00:25,218 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-03 00:00:25,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 00:00:25,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-03 00:00:25,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 00:00:25,374 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 00:00:25,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-03 00:00:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 27217 states, 27180 states have (on average 1.4479764532744666) internal successors, (39356), 27181 states have internal predecessors, (39356), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-03 00:00:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 00:00:25,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:00:25,705 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:00:25,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 00:00:25,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:00:25,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1411632568, now seen corresponding path program 1 times [2021-11-03 00:00:25,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:00:25,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769349408] [2021-11-03 00:00:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:00:25,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:00:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:00:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:00:26,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:00:26,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769349408] [2021-11-03 00:00:26,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769349408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:00:26,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:00:26,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:00:26,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630011120] [2021-11-03 00:00:26,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:00:26,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:00:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:00:26,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:00:27,020 INFO L87 Difference]: Start difference. First operand has 27217 states, 27180 states have (on average 1.4479764532744666) internal successors, (39356), 27181 states have internal predecessors, (39356), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:00:29,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []