./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ --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 32bit --witnessprinter.graph.data.programhash d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 11:08:37,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:08:37,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:08:37,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:08:37,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:08:37,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:08:37,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:08:37,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:08:37,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:08:37,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:08:37,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:08:37,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:08:37,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:08:37,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:08:37,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:08:37,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:08:37,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:08:37,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:08:37,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:08:37,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:08:37,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:08:37,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:08:37,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:08:37,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:08:37,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:08:37,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:08:37,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:08:37,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:08:37,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:08:37,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:08:37,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:08:37,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:08:37,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:08:37,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:08:37,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:08:37,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:08:37,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:08:37,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:08:37,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:08:37,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:08:37,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:08:37,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 11:08:37,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:08:37,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:08:37,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:08:37,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:08:37,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:08:37,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:08:37,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:08:37,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:08:37,542 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:08:37,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:08:37,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:08:37,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:08:37,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:08:37,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:08:37,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:08:37,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:08:37,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:08:37,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:08:37,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:08:37,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:08:37,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:08:37,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:08:37,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:08:37,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:08:37,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:08:37,561 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:08:37,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:08:37,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:08:37,562 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2022-10-17 11:08:37,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:08:37,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:08:37,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:08:37,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:08:37,859 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:08:37,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-10-17 11:08:37,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/data/463b94f04/a2179a7b791949109d90bd99a7d0347f/FLAGe42689d90 [2022-10-17 11:08:38,816 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:08:38,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-10-17 11:08:38,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/data/463b94f04/a2179a7b791949109d90bd99a7d0347f/FLAGe42689d90 [2022-10-17 11:08:39,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/data/463b94f04/a2179a7b791949109d90bd99a7d0347f [2022-10-17 11:08:39,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:08:39,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:08:39,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:08:39,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:08:39,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:08:39,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:08:39" (1/1) ... [2022-10-17 11:08:39,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6feae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:39, skipping insertion in model container [2022-10-17 11:08:39,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:08:39" (1/1) ... [2022-10-17 11:08:39,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:08:39,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:08:41,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-10-17 11:08:41,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:08:41,450 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:08:41,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-10-17 11:08:41,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:08:41,980 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:08:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41 WrapperNode [2022-10-17 11:08:41,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:08:41,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:08:41,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:08:41,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:08:41,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,306 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5829 [2022-10-17 11:08:42,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:08:42,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:08:42,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:08:42,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:08:42,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:08:42,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:08:42,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:08:42,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:08:42,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (1/1) ... [2022-10-17 11:08:42,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:08:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:08:42,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:08:42,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5aaf01f-b0cf-4527-99bc-b640dbb4b971/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:08:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 11:08:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-10-17 11:08:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-10-17 11:08:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:08:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-10-17 11:08:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:08:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-10-17 11:08:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-10-17 11:08:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:08:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:08:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:08:42,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 11:08:43,403 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:08:43,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:08:48,507 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:08:48,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:08:48,569 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-10-17 11:08:48,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:08:48 BoogieIcfgContainer [2022-10-17 11:08:48,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:08:48,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:08:48,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:08:48,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:08:48,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:08:39" (1/3) ... [2022-10-17 11:08:48,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e627d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:08:48, skipping insertion in model container [2022-10-17 11:08:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:41" (2/3) ... [2022-10-17 11:08:48,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e627d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:08:48, skipping insertion in model container [2022-10-17 11:08:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:08:48" (3/3) ... [2022-10-17 11:08:48,592 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-10-17 11:08:48,602 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 11:08:48,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:08:48,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 11:08:48,615 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 11:08:49,942 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-10-17 11:08:50,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6663 places, 6994 transitions, 14024 flow