./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX --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 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:07,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:07,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:48:07,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:07,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:07,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:07,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:07,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:07,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:07,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:07,763 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:07,764 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:07,764 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:07,765 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:07,766 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:07,766 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:07,767 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:07,768 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:07,768 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:07,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:07,770 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:07,770 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:07,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:07,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:07,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:07,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:07,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:07,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:07,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:07,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:07,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:07,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:07,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:07,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:07,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:07,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:07,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:07,779 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:07,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:07,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:07,780 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:07,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:07,781 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_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73338d683e10a9827a18cf31e1247b64129367b1297cba22c91c243b4552d29d [2023-11-12 00:48:08,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:08,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:08,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:08,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:08,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:08,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-12 00:48:11,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:12,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:12,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-12 00:48:12,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/data/1d388ebdc/d61696f8b2ff446985d41b6bf4c086f4/FLAG96b8054ff [2023-11-12 00:48:12,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/data/1d388ebdc/d61696f8b2ff446985d41b6bf4c086f4 [2023-11-12 00:48:12,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:12,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:12,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:12,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:12,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:12,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:12" (1/1) ... [2023-11-12 00:48:12,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a593716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:12, skipping insertion in model container [2023-11-12 00:48:12,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:12" (1/1) ... [2023-11-12 00:48:12,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:13,520 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_dce92489-69b2-472a-8194-9aa16c84d967/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2023-11-12 00:48:14,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:14,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:14,430 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"); [3569] [2023-11-12 00:48:14,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3576] [2023-11-12 00:48:14,433 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3584-3585] [2023-11-12 00:48:14,439 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3624-3625] [2023-11-12 00:48:14,439 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3628-3629] [2023-11-12 00:48:14,440 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3632-3633] [2023-11-12 00:48:14,441 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3636-3637] [2023-11-12 00:48:14,472 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_dce92489-69b2-472a-8194-9aa16c84d967/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[116401,116414] [2023-11-12 00:48:14,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:15,036 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:15,037 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:15,037 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:48:15,046 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:15,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15 WrapperNode [2023-11-12 00:48:15,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:15,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:15,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:15,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:15,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,601 INFO L138 Inliner]: procedures = 245, calls = 3626, calls flagged for inlining = 121, calls inlined = 121, statements flattened = 6981 [2023-11-12 00:48:15,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:15,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:15,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:15,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:15,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:15,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:15,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:15,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:15,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (1/1) ... [2023-11-12 00:48:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:15,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce92489-69b2-472a-8194-9aa16c84d967/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-12 00:48:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-12 00:48:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-12 00:48:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-12 00:48:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2023-11-12 00:48:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2023-11-12 00:48:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:48:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:48:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:48:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:48:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2023-11-12 00:48:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2023-11-12 00:48:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-12 00:48:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-12 00:48:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-12 00:48:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-12 00:48:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2023-11-12 00:48:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2023-11-12 00:48:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-12 00:48:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-12 00:48:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:48:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:48:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 00:48:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 00:48:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-12 00:48:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-12 00:48:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-12 00:48:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-12 00:48:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:48:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:48:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:48:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:48:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-12 00:48:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-12 00:48:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-12 00:48:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-12 00:48:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:48:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:48:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-12 00:48:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-12 00:48:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:48:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:48:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-12 00:48:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-12 00:48:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-12 00:48:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-12 00:48:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-12 00:48:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-12 00:48:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:48:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:48:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:48:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-12 00:48:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-12 00:48:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-12 00:48:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-12 00:48:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:48:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-12 00:48:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-12 00:48:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-12 00:48:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-12 00:48:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 00:48:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:48:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:48:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-11-12 00:48:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-11-12 00:48:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:48:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:48:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:48:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:48:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:48:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:48:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 00:48:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 00:48:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:48:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:48:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:48:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:48:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:48:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-12 00:48:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-12 00:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2023-11-12 00:48:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2023-11-12 00:48:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-11-12 00:48:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-11-12 00:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-12 00:48:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-12 00:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:48:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:48:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:48:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:48:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-12 00:48:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-12 00:48:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:48:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:48:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:48:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2023-11-12 00:48:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2023-11-12 00:48:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2023-11-12 00:48:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2023-11-12 00:48:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2023-11-12 00:48:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2023-11-12 00:48:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:48:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-12 00:48:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-12 00:48:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 00:48:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 00:48:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:48:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:48:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 00:48:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 00:48:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-12 00:48:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-12 00:48:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-12 00:48:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-12 00:48:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:48:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:48:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 00:48:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 00:48:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-12 00:48:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-12 00:48:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-12 00:48:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-12 00:48:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:48:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:48:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:48:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-12 00:48:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-12 00:48:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 00:48:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 00:48:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-12 00:48:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-12 00:48:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-12 00:48:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-12 00:48:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:48:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:48:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:48:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:48:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-12 00:48:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-12 00:48:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-12 00:48:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-12 00:48:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:48:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2023-11-12 00:48:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2023-11-12 00:48:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:48:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:48:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:48:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2023-11-12 00:48:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2023-11-12 00:48:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:48:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:48:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:48:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:48:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-12 00:48:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-12 00:48:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-12 00:48:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-12 00:48:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2023-11-12 00:48:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2023-11-12 00:48:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-12 00:48:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-12 00:48:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-12 00:48:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-12 00:48:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-12 00:48:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-12 00:48:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:48:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:48:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-12 00:48:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-12 00:48:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:48:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:48:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-12 00:48:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-12 00:48:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 00:48:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 00:48:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-12 00:48:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-12 00:48:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-12 00:48:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-12 00:48:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2023-11-12 00:48:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2023-11-12 00:48:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:48:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:48:16,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:16,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:17,218 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:48:18,130 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-12 00:48:28,184 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:30,180 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:30,181 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:48:30,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:30 BoogieIcfgContainer [2023-11-12 00:48:30,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:30,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:30,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:30,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:30,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:12" (1/3) ... [2023-11-12 00:48:30,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ec0da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:30, skipping insertion in model container [2023-11-12 00:48:30,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:15" (2/3) ... [2023-11-12 00:48:30,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ec0da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:30, skipping insertion in model container [2023-11-12 00:48:30,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:30" (3/3) ... [2023-11-12 00:48:30,201 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-12 00:48:30,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:30,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:48:30,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:30,355 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;@3bbd7f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:30,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:48:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 1298 states, 815 states have (on average 1.3533742331288343) internal successors, (1103), 851 states have internal predecessors, (1103), 397 states have call successors, (397), 86 states have call predecessors, (397), 84 states have return successors, (386), 378 states have call predecessors, (386), 386 states have call successors, (386) [2023-11-12 00:48:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-12 00:48:30,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:30,416 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] [2023-11-12 00:48:30,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:30,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:30,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1258238693, now seen corresponding path program 1 times [2023-11-12 00:48:30,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:30,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856885018] [2023-11-12 00:48:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 00:48:32,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:32,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856885018] [2023-11-12 00:48:32,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856885018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:32,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:32,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:48:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503810531] [2023-11-12 00:48:32,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:32,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:48:32,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:32,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:48:32,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:48:32,737 INFO L87 Difference]: Start difference. First operand has 1298 states, 815 states have (on average 1.3533742331288343) internal successors, (1103), 851 states have internal predecessors, (1103), 397 states have call successors, (397), 86 states have call predecessors, (397), 84 states have return successors, (386), 378 states have call predecessors, (386), 386 states have call successors, (386) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 00:48:37,289 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 [] [2023-11-12 00:48:45,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:47,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:49,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:51,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:53,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:55,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:58,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:00,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:02,068 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 []