./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.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 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:24,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:24,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:24,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:24,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:24,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:24,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:24,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:24,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:24,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:24,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:24,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:24,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:24,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:24,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:24,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:24,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:24,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:24,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:24,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:24,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:24,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:24,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:24,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:24,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:24,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:24,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:24,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:24,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:24,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:24,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:24,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:24,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:24,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:24,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:24,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:24,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:24,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:24,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:24,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:24,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:24,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:34:24,639 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:24,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:24,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:24,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:24,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:24,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:24,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:24,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:24,642 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:24,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:24,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:34:24,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:24,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:24,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:24,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:24,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:24,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:24,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:24,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:24,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:24,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:24,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:24,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:24,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:24,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:24,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:34:24,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:34:24,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:24,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:24,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:24,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:24,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 [2021-12-15 12:34:24,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:24,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:24,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:24,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:24,887 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:24,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-12-15 12:34:24,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4e722e2/880e207ea2214ca5a1cbe9f12c85cdd6/FLAGbc053503a [2021-12-15 12:34:25,743 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:25,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-12-15 12:34:25,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4e722e2/880e207ea2214ca5a1cbe9f12c85cdd6/FLAGbc053503a [2021-12-15 12:34:26,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4e722e2/880e207ea2214ca5a1cbe9f12c85cdd6 [2021-12-15 12:34:26,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:26,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:26,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:26,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:26,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:26,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:26" (1/1) ... [2021-12-15 12:34:26,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c5a0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:26, skipping insertion in model container [2021-12-15 12:34:26,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:26" (1/1) ... [2021-12-15 12:34:26,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:26,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:28,051 WARN L230 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-12-15 12:34:28,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:28,534 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:28,832 WARN L230 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-12-15 12:34:28,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:28,976 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:28,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28 WrapperNode [2021-12-15 12:34:28,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:28,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:28,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:28,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:28,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,194 INFO L137 Inliner]: procedures = 229, calls = 1979, calls flagged for inlining = 98, calls inlined = 54, statements flattened = 3316 [2021-12-15 12:34:29,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:29,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:29,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:29,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:29,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:29,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:29,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:29,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:29,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (1/1) ... [2021-12-15 12:34:29,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:29,437 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) [2021-12-15 12:34:29,460 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 [2021-12-15 12:34:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-12-15 12:34:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-12-15 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-12-15 12:34:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-12-15 12:34:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-15 12:34:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-15 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-12-15 12:34:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-12-15 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 12:34:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 12:34:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:34:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-12-15 12:34:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-12-15 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-12-15 12:34:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-12-15 12:34:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-12-15 12:34:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-12-15 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-12-15 12:34:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-12-15 12:34:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2021-12-15 12:34:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2021-12-15 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:34:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 12:34:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-12-15 12:34:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-12-15 12:34:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-12-15 12:34:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-12-15 12:34:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:34:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:34:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-12-15 12:34:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-12-15 12:34:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:34:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:34:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-12-15 12:34:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-12-15 12:34:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-12-15 12:34:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-12-15 12:34:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-12-15 12:34:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-12-15 12:34:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:34:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:34:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-12-15 12:34:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-12-15 12:34:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-12-15 12:34:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-12-15 12:34:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:34:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:34:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 12:34:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 12:34:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-15 12:34:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-15 12:34:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-12-15 12:34:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-12-15 12:34:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:34:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:34:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:34:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-12-15 12:34:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-12-15 12:34:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:34:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:34:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:34:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-12-15 12:34:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-12-15 12:34:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-12-15 12:34:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-12-15 12:34:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-12-15 12:34:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-12-15 12:34:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:34:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:34:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-12-15 12:34:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-12-15 12:34:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-12-15 12:34:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-12-15 12:34:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-12-15 12:34:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-12-15 12:34:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_exit [2021-12-15 12:34:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_exit [2021-12-15 12:34:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-12-15 12:34:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-12-15 12:34:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 12:34:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 12:34:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:34:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:34:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-12-15 12:34:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-12-15 12:34:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-15 12:34:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-15 12:34:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-12-15 12:34:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-12-15 12:34:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 12:34:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 12:34:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-15 12:34:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-15 12:34:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-12-15 12:34:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-12-15 12:34:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_init [2021-12-15 12:34:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_init [2021-12-15 12:34:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-12-15 12:34:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-12-15 12:34:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 12:34:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 12:34:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-15 12:34:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-15 12:34:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-12-15 12:34:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-12-15 12:34:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-12-15 12:34:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-12-15 12:34:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-15 12:34:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-15 12:34:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-12-15 12:34:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-12-15 12:34:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:34:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:34:29,961 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:29,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:30,288 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:30,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:30,296 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:30,327 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:30,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:30,331 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:32,699 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,708 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,710 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,712 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,713 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,716 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:32,716 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:33,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume !false; [2021-12-15 12:34:33,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume false; [2021-12-15 12:34:33,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-12-15 12:34:33,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-12-15 12:34:33,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume !false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:33,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;call ULTIMATE.dealloc(~#backend~0#1.base, ~#backend~0#1.offset);havoc ~#backend~0#1.base, ~#backend~0#1.offset;call ULTIMATE.dealloc(~#features~0#1.base, ~#features~0#1.offset);havoc ~#features~0#1.base, ~#features~0#1.offset; [2021-12-15 12:34:33,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##359: assume false; [2021-12-15 12:34:33,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume !false; [2021-12-15 12:34:33,723 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:34,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2021-12-15 12:34:34,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2021-12-15 12:34:34,096 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:34,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:34,111 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-12-15 12:34:34,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:34 BoogieIcfgContainer [2021-12-15 12:34:34,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:34,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:34,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:34,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:34,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:34:26" (1/3) ... [2021-12-15 12:34:34,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523fbd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:34, skipping insertion in model container [2021-12-15 12:34:34,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:28" (2/3) ... [2021-12-15 12:34:34,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523fbd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:34, skipping insertion in model container [2021-12-15 12:34:34,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:34" (3/3) ... [2021-12-15 12:34:34,120 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-12-15 12:34:34,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:34,124 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:34,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:34,188 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 [2021-12-15 12:34:34,188 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 1071 states, 763 states have (on average 1.4128440366972477) internal successors, (1078), 786 states have internal predecessors, (1078), 242 states have call successors, (242), 64 states have call predecessors, (242), 64 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2021-12-15 12:34:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 12:34:34,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:34,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:34,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:34,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:34,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1283477206, now seen corresponding path program 1 times [2021-12-15 12:34:34,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:34:34,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336184195] [2021-12-15 12:34:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:34,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:34:34,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:34:34,347 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:34,352 INFO L158 Benchmark]: Toolchain (without parser) took 8062.69ms. Allocated memory was 96.5MB in the beginning and 287.3MB in the end (delta: 190.8MB). Free memory was 51.4MB in the beginning and 137.9MB in the end (delta: -86.5MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,352 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:34,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2689.27ms. Allocated memory was 96.5MB in the beginning and 178.3MB in the end (delta: 81.8MB). Free memory was 51.0MB in the beginning and 92.3MB in the end (delta: -41.3MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.19ms. Allocated memory is still 178.3MB. Free memory was 92.3MB in the beginning and 73.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,354 INFO L158 Benchmark]: Boogie Preprocessor took 204.80ms. Allocated memory is still 178.3MB. Free memory was 73.4MB in the beginning and 93.0MB in the end (delta: -19.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,354 INFO L158 Benchmark]: RCFGBuilder took 4712.81ms. Allocated memory was 178.3MB in the beginning and 287.3MB in the end (delta: 109.1MB). Free memory was 93.0MB in the beginning and 159.9MB in the end (delta: -66.9MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,355 INFO L158 Benchmark]: TraceAbstraction took 235.16ms. Allocated memory is still 287.3MB. Free memory was 158.9MB in the beginning and 137.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2689.27ms. Allocated memory was 96.5MB in the beginning and 178.3MB in the end (delta: 81.8MB). Free memory was 51.0MB in the beginning and 92.3MB in the end (delta: -41.3MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.19ms. Allocated memory is still 178.3MB. Free memory was 92.3MB in the beginning and 73.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.80ms. Allocated memory is still 178.3MB. Free memory was 73.4MB in the beginning and 93.0MB in the end (delta: -19.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4712.81ms. Allocated memory was 178.3MB in the beginning and 287.3MB in the end (delta: 109.1MB). Free memory was 93.0MB in the beginning and 159.9MB in the end (delta: -66.9MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * TraceAbstraction took 235.16ms. Allocated memory is still 287.3MB. Free memory was 158.9MB in the beginning and 137.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:34,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:36,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:36,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:36,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:36,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:36,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:36,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:36,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:36,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:36,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:36,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:36,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:36,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:36,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:36,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:36,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:36,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:36,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:36,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:36,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:36,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:36,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:36,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:36,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:36,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:36,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:36,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:36,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:36,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:36,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:36,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:36,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:36,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:36,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:36,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:36,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:36,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:36,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:36,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:36,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:36,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:36,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:36,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:36,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:36,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:36,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:36,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:36,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:36,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:36,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:36,439 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:36,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:36,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:36,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:36,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:36,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:36,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:36,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:36,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:36,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:36,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:36,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:36,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:36,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:36,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:36,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:36,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:36,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:36,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:36,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:36,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:36,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:36,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:36,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:36,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:36,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:36,446 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 [2021-12-15 12:34:36,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:36,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:36,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:36,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:36,796 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:36,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-12-15 12:34:36,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07963b3da/f52a19300e7640a59e064588e864202b/FLAG9f8c7ef52 [2021-12-15 12:34:37,688 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:37,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-12-15 12:34:37,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07963b3da/f52a19300e7640a59e064588e864202b/FLAG9f8c7ef52 [2021-12-15 12:34:38,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07963b3da/f52a19300e7640a59e064588e864202b [2021-12-15 12:34:38,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:38,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:38,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:38,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:38,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:38,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:38" (1/1) ... [2021-12-15 12:34:38,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f97b57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:38, skipping insertion in model container [2021-12-15 12:34:38,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:38" (1/1) ... [2021-12-15 12:34:38,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:38,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:39,742 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1007) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:730) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:39,749 INFO L158 Benchmark]: Toolchain (without parser) took 1531.34ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 30.4MB in the beginning and 40.1MB in the end (delta: -9.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:39,752 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:39,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1527.14ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 30.2MB in the beginning and 40.1MB in the end (delta: -9.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:39,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1527.14ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 30.2MB in the beginning and 40.1MB in the end (delta: -9.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type