./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:16,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:16,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:16,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:16,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:16,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:16,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:16,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:16,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:16,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:16,583 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:16,584 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:16,585 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:16,585 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:16,586 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:16,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:16,587 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:16,587 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:16,588 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:16,589 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:16,589 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:16,590 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:16,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:16,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:16,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:16,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:16,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:16,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:16,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:16,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:16,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:16,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:16,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:16,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:16,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:16,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:16,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:16,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:16,598 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:16,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:16,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:16,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:16,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:16,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:16,600 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 [2023-11-23 21:18:16,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:16,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:16,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:16,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:16,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:16,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-23 21:18:20,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:20,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:20,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-23 21:18:20,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/data/f94f72416/89a6ab6167374ab2ab6be55764d092c5/FLAG84a509223 [2023-11-23 21:18:20,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/data/f94f72416/89a6ab6167374ab2ab6be55764d092c5 [2023-11-23 21:18:20,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:20,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:20,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:20,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:20,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:20,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:20" (1/1) ... [2023-11-23 21:18:20,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510c8183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:20, skipping insertion in model container [2023-11-23 21:18:20,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:20" (1/1) ... [2023-11-23 21:18:21,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:23,108 WARN L240 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_ac0e0d9e-f915-4183-80a0-846cce17492b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2023-11-23 21:18:23,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:23,213 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:23,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4011] [2023-11-23 21:18:23,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4743] [2023-11-23 21:18:23,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4751] [2023-11-23 21:18:23,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4758] [2023-11-23 21:18:23,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6660] [2023-11-23 21:18:23,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6667] [2023-11-23 21:18:23,802 WARN L240 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_ac0e0d9e-f915-4183-80a0-846cce17492b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2023-11-23 21:18:23,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:24,005 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:24,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24 WrapperNode [2023-11-23 21:18:24,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:24,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:24,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:24,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:24,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,449 INFO L138 Inliner]: procedures = 219, calls = 4403, calls flagged for inlining = 78, calls inlined = 75, statements flattened = 8305 [2023-11-23 21:18:24,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:24,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:24,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:24,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:24,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:24,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:24,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:24,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:24,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (1/1) ... [2023-11-23 21:18:24,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:24,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:24,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2023-11-23 21:18:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2023-11-23 21:18:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_request_port [2023-11-23 21:18:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_request_port [2023-11-23 21:18:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:18:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:18:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:18:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:18:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:18:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:18:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:18:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:18:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2023-11-23 21:18:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2023-11-23 21:18:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-11-23 21:18:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-11-23 21:18:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:18:25,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0e0d9e-f915-4183-80a0-846cce17492b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:18:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2023-11-23 21:18:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2023-11-23 21:18:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:18:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:18:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2023-11-23 21:18:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2023-11-23 21:18:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-23 21:18:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-23 21:18:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2023-11-23 21:18:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2023-11-23 21:18:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2023-11-23 21:18:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2023-11-23 21:18:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_send_xchar [2023-11-23 21:18:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_send_xchar [2023-11-23 21:18:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-23 21:18:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-23 21:18:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:18:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:18:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2023-11-23 21:18:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2023-11-23 21:18:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-11-23 21:18:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-11-23 21:18:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:18:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:18:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_rx [2023-11-23 21:18:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_rx [2023-11-23 21:18:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-11-23 21:18:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-11-23 21:18:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2023-11-23 21:18:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2023-11-23 21:18:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_release_port [2023-11-23 21:18:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_release_port [2023-11-23 21:18:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_type [2023-11-23 21:18:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_type [2023-11-23 21:18:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:18:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:18:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2023-11-23 21:18:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2023-11-23 21:18:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:18:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:18:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2023-11-23 21:18:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2023-11-23 21:18:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2023-11-23 21:18:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2023-11-23 21:18:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure cls_intr [2023-11-23 21:18:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_intr [2023-11-23 21:18:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_uart_port_init [2023-11-23 21:18:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_uart_port_init [2023-11-23 21:18:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2023-11-23 21:18:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2023-11-23 21:18:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:18:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2023-11-23 21:18:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2023-11-23 21:18:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:18:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:18:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2023-11-23 21:18:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2023-11-23 21:18:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-23 21:18:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-23 21:18:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:18:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:18:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_one [2023-11-23 21:18:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_one [2023-11-23 21:18:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_close [2023-11-23 21:18:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_close [2023-11-23 21:18:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_termios [2023-11-23 21:18:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_termios [2023-11-23 21:18:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:18:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:18:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:18:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure neo_intr [2023-11-23 21:18:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_intr [2023-11-23 21:18:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2023-11-23 21:18:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2023-11-23 21:18:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:18:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:18:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:18:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:18:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:18:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:18:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure cls_clear_break [2023-11-23 21:18:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_clear_break [2023-11-23 21:18:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_config_port [2023-11-23 21:18:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_config_port [2023-11-23 21:18:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:18:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:18:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:18:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2023-11-23 21:18:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2023-11-23 21:18:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-23 21:18:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-23 21:18:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_dcd_change [2023-11-23 21:18:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_dcd_change [2023-11-23 21:18:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:18:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:18:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2023-11-23 21:18:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2023-11-23 21:18:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:18:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_resume [2023-11-23 21:18:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_resume [2023-11-23 21:18:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_error_detected [2023-11-23 21:18:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_error_detected [2023-11-23 21:18:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2023-11-23 21:18:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2023-11-23 21:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2023-11-23 21:18:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2023-11-23 21:18:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2023-11-23 21:18:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2023-11-23 21:18:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:18:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:18:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2023-11-23 21:18:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2023-11-23 21:18:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2023-11-23 21:18:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2023-11-23 21:18:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2023-11-23 21:18:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2023-11-23 21:18:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2023-11-23 21:18:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2023-11-23 21:18:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:18:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:18:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2023-11-23 21:18:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2023-11-23 21:18:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_slot_reset [2023-11-23 21:18:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_slot_reset [2023-11-23 21:18:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:18:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:18:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_open [2023-11-23 21:18:25,185 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_open [2023-11-23 21:18:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:18:25,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:18:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2023-11-23 21:18:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2023-11-23 21:18:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:18:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:18:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_tx_empty [2023-11-23 21:18:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_tx_empty [2023-11-23 21:18:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_get_mctrl [2023-11-23 21:18:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_get_mctrl [2023-11-23 21:18:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:18:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:18:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2023-11-23 21:18:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2023-11-23 21:18:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:18:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2023-11-23 21:18:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2023-11-23 21:18:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:18:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:18:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2023-11-23 21:18:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2023-11-23 21:18:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:18:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:18:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:18:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:18:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:18:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_carrier [2023-11-23 21:18:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_carrier [2023-11-23 21:18:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_tx [2023-11-23 21:18:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_tx [2023-11-23 21:18:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2023-11-23 21:18:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2023-11-23 21:18:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_start_tx [2023-11-23 21:18:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_start_tx [2023-11-23 21:18:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2023-11-23 21:18:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2023-11-23 21:18:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2023-11-23 21:18:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2023-11-23 21:18:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_uart_port [2023-11-23 21:18:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_uart_port [2023-11-23 21:18:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:18:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:18:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2023-11-23 21:18:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2023-11-23 21:18:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2023-11-23 21:18:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2023-11-23 21:18:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2023-11-23 21:18:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2023-11-23 21:18:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_write [2023-11-23 21:18:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_write [2023-11-23 21:18:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_mctrl [2023-11-23 21:18:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_mctrl [2023-11-23 21:18:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_break [2023-11-23 21:18:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_break [2023-11-23 21:18:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_check_queue_flow_control [2023-11-23 21:18:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_check_queue_flow_control [2023-11-23 21:18:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2023-11-23 21:18:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2023-11-23 21:18:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2023-11-23 21:18:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2023-11-23 21:18:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2023-11-23 21:18:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2023-11-23 21:18:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2023-11-23 21:18:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2023-11-23 21:18:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure neo_clear_break [2023-11-23 21:18:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_clear_break [2023-11-23 21:18:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 21:18:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 21:18:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2023-11-23 21:18:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2023-11-23 21:18:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:18:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:18:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:26,061 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:26,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:26,319 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:18:41,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:48,860 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:48,861 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:18:48,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:48 BoogieIcfgContainer [2023-11-23 21:18:48,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:48,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:48,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:48,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:48,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:20" (1/3) ... [2023-11-23 21:18:48,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a0ad2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:48, skipping insertion in model container [2023-11-23 21:18:48,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:24" (2/3) ... [2023-11-23 21:18:48,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a0ad2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:48, skipping insertion in model container [2023-11-23 21:18:48,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:48" (3/3) ... [2023-11-23 21:18:48,880 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2023-11-23 21:18:48,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:48,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:49,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:49,035 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@180f1c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:49,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:49,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 2333 states, 1493 states have (on average 1.3958472873409242) internal successors, (2084), 1569 states have internal predecessors, (2084), 732 states have call successors, (732), 107 states have call predecessors, (732), 106 states have return successors, (725), 683 states have call predecessors, (725), 725 states have call successors, (725) [2023-11-23 21:18:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 21:18:49,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:49,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:49,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:49,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1200525750, now seen corresponding path program 1 times [2023-11-23 21:18:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58264334] [2023-11-23 21:18:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:50,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:50,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58264334] [2023-11-23 21:18:50,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58264334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:50,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:50,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:50,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768118550] [2023-11-23 21:18:50,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:50,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:51,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:51,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:51,023 INFO L87 Difference]: Start difference. First operand has 2333 states, 1493 states have (on average 1.3958472873409242) internal successors, (2084), 1569 states have internal predecessors, (2084), 732 states have call successors, (732), 107 states have call predecessors, (732), 106 states have return successors, (725), 683 states have call predecessors, (725), 725 states have call successors, (725) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:18:56,374 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 [] [2023-11-23 21:18:58,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:01,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:04,875 INFO L93 Difference]: Finished difference Result 6858 states and 10423 transitions. [2023-11-23 21:19:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2023-11-23 21:19:04,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:04,963 INFO L225 Difference]: With dead ends: 6858 [2023-11-23 21:19:04,963 INFO L226 Difference]: Without dead ends: 4507 [2023-11-23 21:19:04,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:04,996 INFO L413 NwaCegarLoop]: 5441 mSDtfsCounter, 3337 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:04,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 8620 Invalid, 957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2023-11-23 21:19:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4507 states. [2023-11-23 21:19:05,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4507 to 4504. [2023-11-23 21:19:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 2891 states have (on average 1.3901764095468696) internal successors, (4019), 3021 states have internal predecessors, (4019), 1407 states have call successors, (1407), 206 states have call predecessors, (1407), 205 states have return successors, (1406), 1324 states have call predecessors, (1406), 1406 states have call successors, (1406) [2023-11-23 21:19:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 6832 transitions. [2023-11-23 21:19:05,695 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 6832 transitions. Word has length 38 [2023-11-23 21:19:05,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:05,696 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 6832 transitions. [2023-11-23 21:19:05,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 21:19:05,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 6832 transitions. [2023-11-23 21:19:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 21:19:05,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:05,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 21:19:05,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:05,713 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:05,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1192816722, now seen corresponding path program 1 times [2023-11-23 21:19:05,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:05,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018379026] [2023-11-23 21:19:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:05,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat