./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/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_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/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 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- 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 10:12:10,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:12:10,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:12:10,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:12:10,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:12:10,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:12:10,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:12:10,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:12:10,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:12:10,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:12:10,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:12:10,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:12:10,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:12:10,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:12:10,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:12:10,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:12:10,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:12:10,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:12:10,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:12:10,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:12:10,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:12:10,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:12:10,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:12:10,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:12:10,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:12:10,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:12:10,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:12:10,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:12:10,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:12:10,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:12:10,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:12:10,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:12:10,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:12:10,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:12:10,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:12:10,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:12:10,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:12:10,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:12:10,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:12:10,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:12:10,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:12:10,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:12:10,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:12:10,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:12:10,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:12:10,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:12:10,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:12:10,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:12:10,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:12:10,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:12:10,541 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:12:10,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:12:10,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:12:10,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:12:10,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:12:10,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:12:10,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:12:10,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:12:10,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:12:10,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:12:10,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:12:10,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:12:10,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:12:10,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:12:10,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:12:10,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:12:10,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:12:10,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:12:10,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:12:10,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:12:10,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:12:10,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:12:10,550 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_baaa2302-b37e-41f0-83e7-3eb558ce8842/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2022-10-17 10:12:10,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:12:10,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:12:10,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:12:10,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:12:10,836 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:12:10,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-10-17 10:12:10,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/data/e49a58c9c/6ca1fff5d35e4556872b71a2f8ef7c0a/FLAG51b1b7785 [2022-10-17 10:12:11,929 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:12:11,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-10-17 10:12:11,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/data/e49a58c9c/6ca1fff5d35e4556872b71a2f8ef7c0a/FLAG51b1b7785 [2022-10-17 10:12:12,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/data/e49a58c9c/6ca1fff5d35e4556872b71a2f8ef7c0a [2022-10-17 10:12:12,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:12:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:12:12,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:12,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:12:12,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:12:12,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:12" (1/1) ... [2022-10-17 10:12:12,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc450fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:12, skipping insertion in model container [2022-10-17 10:12:12,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:12" (1/1) ... [2022-10-17 10:12:12,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:12:12,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:12:13,002 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-10-17 10:12:13,007 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-10-17 10:12:13,469 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_baaa2302-b37e-41f0-83e7-3eb558ce8842/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-10-17 10:12:14,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:14,636 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:12:14,732 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-10-17 10:12:14,733 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-10-17 10:12:14,789 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_baaa2302-b37e-41f0-83e7-3eb558ce8842/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-10-17 10:12:15,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:15,257 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:12:15,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15 WrapperNode [2022-10-17 10:12:15,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:15,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:15,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:12:15,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:12:15,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,666 INFO L138 Inliner]: procedures = 264, calls = 3505, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6344 [2022-10-17 10:12:15,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:15,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:12:15,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:12:15,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:12:15,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:15,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:16,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:16,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:16,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:12:16,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:12:16,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:12:16,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:12:16,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (1/1) ... [2022-10-17 10:12:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:12:16,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:12:16,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:12:16,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaa2302-b37e-41f0-83e7-3eb558ce8842/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:12:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2022-10-17 10:12:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2022-10-17 10:12:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2022-10-17 10:12:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2022-10-17 10:12:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-17 10:12:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:12:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:12:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 10:12:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 10:12:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 10:12:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:12:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:12:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:12:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:12:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-17 10:12:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-17 10:12:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2022-10-17 10:12:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2022-10-17 10:12:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:12:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:12:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:12:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:12:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:12:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:12:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:12:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:12:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-17 10:12:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-17 10:12:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2022-10-17 10:12:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2022-10-17 10:12:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:12:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:12:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 10:12:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 10:12:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:12:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:12:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-17 10:12:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-17 10:12:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-17 10:12:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-17 10:12:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:12:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:12:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:12:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:12:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:12:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:12:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2022-10-17 10:12:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2022-10-17 10:12:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2022-10-17 10:12:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2022-10-17 10:12:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2022-10-17 10:12:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2022-10-17 10:12:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:12:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:12:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:12:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:12:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2022-10-17 10:12:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2022-10-17 10:12:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-10-17 10:12:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-10-17 10:12:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:12:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2022-10-17 10:12:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2022-10-17 10:12:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-10-17 10:12:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-10-17 10:12:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:12:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:12:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:12:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:12:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:12:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:12:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 10:12:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 10:12:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-17 10:12:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-17 10:12:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:12:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:12:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2022-10-17 10:12:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2022-10-17 10:12:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 10:12:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 10:12:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2022-10-17 10:12:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2022-10-17 10:12:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2022-10-17 10:12:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2022-10-17 10:12:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 10:12:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 10:12:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:12:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:12:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:12:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 10:12:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 10:12:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2022-10-17 10:12:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2022-10-17 10:12:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:12:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:12:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:12:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-17 10:12:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-17 10:12:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:12:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2022-10-17 10:12:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2022-10-17 10:12:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-17 10:12:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-17 10:12:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:12:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:12:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:12:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:12:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2022-10-17 10:12:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2022-10-17 10:12:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2022-10-17 10:12:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2022-10-17 10:12:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:12:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:12:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:12:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:12:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:12:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:12:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2022-10-17 10:12:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2022-10-17 10:12:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2022-10-17 10:12:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2022-10-17 10:12:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 10:12:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 10:12:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:12:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:12:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:12:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 10:12:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 10:12:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2022-10-17 10:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2022-10-17 10:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2022-10-17 10:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2022-10-17 10:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2022-10-17 10:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2022-10-17 10:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-10-17 10:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2022-10-17 10:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 10:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 10:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-10-17 10:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-10-17 10:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2022-10-17 10:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2022-10-17 10:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2022-10-17 10:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2022-10-17 10:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2022-10-17 10:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2022-10-17 10:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2022-10-17 10:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2022-10-17 10:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2022-10-17 10:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 10:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-17 10:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-17 10:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-17 10:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2022-10-17 10:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2022-10-17 10:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-17 10:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-17 10:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:12:17,040 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:12:17,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:12:17,355 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:12:29,370 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:12:29,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:12:29,409 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:12:29,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:29 BoogieIcfgContainer [2022-10-17 10:12:29,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:12:29,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:12:29,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:12:29,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:12:29,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:12:12" (1/3) ... [2022-10-17 10:12:29,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fe4d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:12:29, skipping insertion in model container [2022-10-17 10:12:29,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:15" (2/3) ... [2022-10-17 10:12:29,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fe4d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:12:29, skipping insertion in model container [2022-10-17 10:12:29,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:29" (3/3) ... [2022-10-17 10:12:29,432 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-10-17 10:12:29,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:12:29,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:12:29,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:12:29,579 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d81575, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:12:29,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:12:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 1465 states, 1052 states have (on average 1.346958174904943) internal successors, (1417), 1067 states have internal predecessors, (1417), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2022-10-17 10:12:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-17 10:12:29,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:12:29,632 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:12:29,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:12:29,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1962807764, now seen corresponding path program 1 times [2022-10-17 10:12:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651206490] [2022-10-17 10:12:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:12:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:12:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:12:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:12:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:12:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:12:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:12:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:12:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:12:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:12:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:12:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-17 10:12:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-17 10:12:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:12:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-17 10:12:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:12:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 10:12:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:12:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-17 10:12:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 10:12:31,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:31,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651206490] [2022-10-17 10:12:31,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651206490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:31,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:31,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:12:31,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130997567] [2022-10-17 10:12:31,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:31,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:12:31,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:31,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:12:31,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:12:31,283 INFO L87 Difference]: Start difference. First operand has 1465 states, 1052 states have (on average 1.346958174904943) internal successors, (1417), 1067 states have internal predecessors, (1417), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-17 10:12:37,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:12:39,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:12:41,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:12:43,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []