./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E --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 32bit --witnessprinter.graph.data.programhash 5b4b366842d515e4cb882bee42d8cbade7db172d14c7b79b0aca4a9ee5dc85e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:50:49,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:50:49,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:50:49,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:50:49,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:50:49,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:50:49,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:50:49,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:50:49,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:50:49,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:50:49,735 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:50:49,735 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:50:49,735 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:50:49,735 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:50:49,736 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:50:49,736 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:50:49,736 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:50:49,738 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:50:49,738 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:50:49,739 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:50:49,739 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:50:49,739 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:50:49,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:50:49,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:50:49,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:49,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:50:49,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:50:49,742 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4b366842d515e4cb882bee42d8cbade7db172d14c7b79b0aca4a9ee5dc85e7 [2024-11-14 04:50:50,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:50:50,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:50:50,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:50:50,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:50:50,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:50:50,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i Unable to find full path for "g++" [2024-11-14 04:50:52,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:50:53,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:50:53,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-11-14 04:50:53,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/data/79e6be80e/7bcdfb5195f24affa4a2ad881edfbe55/FLAG16dfb7722 [2024-11-14 04:50:53,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/data/79e6be80e/7bcdfb5195f24affa4a2ad881edfbe55 [2024-11-14 04:50:53,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:50:53,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:50:53,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:53,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:50:53,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:50:53,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:53" (1/1) ... [2024-11-14 04:50:53,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76039d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:53, skipping insertion in model container [2024-11-14 04:50:53,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:53" (1/1) ... [2024-11-14 04:50:53,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:50:55,048 WARN L250 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_82132f6a-f748-40a5-8d48-a75af676715c/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2024-11-14 04:50:55,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:55,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:50:55,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3628-3629] [2024-11-14 04:50:55,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2024-11-14 04:50:55,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2024-11-14 04:50:55,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2024-11-14 04:50:55,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2024-11-14 04:50:55,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] [2024-11-14 04:50:55,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] [2024-11-14 04:50:55,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] [2024-11-14 04:50:55,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] [2024-11-14 04:50:55,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] [2024-11-14 04:50:55,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] [2024-11-14 04:50:55,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] [2024-11-14 04:50:55,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] [2024-11-14 04:50:55,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] [2024-11-14 04:50:55,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] [2024-11-14 04:50:55,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] [2024-11-14 04:50:55,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] [2024-11-14 04:50:55,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] [2024-11-14 04:50:55,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] [2024-11-14 04:50:55,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] [2024-11-14 04:50:55,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] [2024-11-14 04:50:55,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] [2024-11-14 04:50:55,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] [2024-11-14 04:50:55,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] [2024-11-14 04:50:55,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] [2024-11-14 04:50:55,768 WARN L250 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_82132f6a-f748-40a5-8d48-a75af676715c/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2024-11-14 04:50:55,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:55,953 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:50:55,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55 WrapperNode [2024-11-14 04:50:55,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:55,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:55,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:50:55,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:50:55,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,325 INFO L138 Inliner]: procedures = 289, calls = 1735, calls flagged for inlining = 467, calls inlined = 550, statements flattened = 6605 [2024-11-14 04:50:56,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:56,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:50:56,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:50:56,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:50:56,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:50:56,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:50:56,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:50:56,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:50:56,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (1/1) ... [2024-11-14 04:50:56,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:56,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:50:56,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:50:56,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:50:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:50:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-11-14 04:50:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-11-14 04:50:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:50:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2024-11-14 04:50:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2024-11-14 04:50:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:50:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:50:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2024-11-14 04:50:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:50:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:50:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:50:56,897 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:50:57,956 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:50:57,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:51:06,539 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:51:06,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:51:18,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:51:18,426 INFO L316 CfgBuilder]: Removed 29 assume(true) statements. [2024-11-14 04:51:18,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:18 BoogieIcfgContainer [2024-11-14 04:51:18,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:51:18,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:51:18,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:51:18,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:51:18,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:50:53" (1/3) ... [2024-11-14 04:51:18,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:18, skipping insertion in model container [2024-11-14 04:51:18,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:55" (2/3) ... [2024-11-14 04:51:18,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:18, skipping insertion in model container [2024-11-14 04:51:18,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:18" (3/3) ... [2024-11-14 04:51:18,437 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-11-14 04:51:18,458 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:51:18,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i that has 4 procedures, 248 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2024-11-14 04:51:18,460 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:51:19,446 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-11-14 04:51:19,500 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 263 places, 354 transitions, 741 flow [2024-11-14 04:51:23,989 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 78750 states, 78746 states have (on average 4.195679780560282) internal successors, (330393), 78749 states have internal predecessors, (330393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:24,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:51:24,058 INFO L333 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, 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;@7d9967bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:51:24,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-14 04:51:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 78750 states, 78746 states have (on average 4.195679780560282) internal successors, (330393), 78749 states have internal predecessors, (330393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 04:51:24,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:24,317 INFO L215 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] [2024-11-14 04:51:24,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-14 04:51:24,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:24,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1723710192, now seen corresponding path program 1 times [2024-11-14 04:51:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:24,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680517673] [2024-11-14 04:51:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:32,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:32,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680517673] [2024-11-14 04:51:32,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680517673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:32,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:32,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:51:32,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569173581] [2024-11-14 04:51:32,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:32,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:51:32,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:32,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:51:32,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:32,819 INFO L87 Difference]: Start difference. First operand has 78750 states, 78746 states have (on average 4.195679780560282) internal successors, (330393), 78749 states have internal predecessors, (330393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:34,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:37,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:43,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:46,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:52,827 INFO L93 Difference]: Finished difference Result 155610 states and 654336 transitions. [2024-11-14 04:51:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:52,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-14 04:51:52,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:53,007 INFO L225 Difference]: With dead ends: 155610 [2024-11-14 04:51:53,007 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:51:53,297 INFO L431 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 [2024-11-14 04:51:53,301 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 76 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:53,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 76 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 655 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2024-11-14 04:51:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:51:53,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:51:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:51:53,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2024-11-14 04:51:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:53,464 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:51:53,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:51:53,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:51:53,468 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_4Thread1of1ForFork1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-14 04:51:53,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_4Thread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-11-14 04:51:53,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:51:53,473 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:51:53,479 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 04:51:53,479 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:51:53,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:51:53 BasicIcfg [2024-11-14 04:51:53,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:51:53,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:51:53,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:51:53,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:51:53,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:18" (3/4) ... [2024-11-14 04:51:53,487 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:51:53,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_character_driver_scenario_2 [2024-11-14 04:51:53,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_insmod_4 [2024-11-14 04:51:53,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_scenario_3 [2024-11-14 04:51:53,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 645 nodes and edges [2024-11-14 04:51:53,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 322 nodes and edges [2024-11-14 04:51:53,517 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2024-11-14 04:51:53,518 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-11-14 04:51:53,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-14 04:51:53,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-14 04:51:53,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-14 04:51:53,522 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:51:53,523 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:51:53,523 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:51:53,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:51:53,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:51:53,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:51:53,695 INFO L158 Benchmark]: Toolchain (without parser) took 60568.18ms. Allocated memory was 142.6MB in the beginning and 7.6GB in the end (delta: 7.5GB). Free memory was 111.1MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-14 04:51:53,696 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:53,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2826.10ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 83.8MB in the end (delta: 27.1MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-11-14 04:51:53,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 369.47ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 50.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:51:53,698 INFO L158 Benchmark]: Boogie Preprocessor took 447.71ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 56.5MB in the end (delta: -5.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-14 04:51:53,701 INFO L158 Benchmark]: RCFGBuilder took 21648.72ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 56.5MB in the beginning and 631.4MB in the end (delta: -574.9MB). Peak memory consumption was 632.8MB. Max. memory is 16.1GB. [2024-11-14 04:51:53,701 INFO L158 Benchmark]: TraceAbstraction took 35053.87ms. Allocated memory was 1.0GB in the beginning and 7.6GB in the end (delta: 6.6GB). Free memory was 631.4MB in the beginning and 5.0GB in the end (delta: -4.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-14 04:51:53,701 INFO L158 Benchmark]: Witness Printer took 209.35ms. Allocated memory is still 7.6GB. Free memory was 5.0GB in the beginning and 5.0GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:51:53,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2826.10ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 83.8MB in the end (delta: 27.1MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 369.47ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 50.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 447.71ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 56.5MB in the end (delta: -5.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * RCFGBuilder took 21648.72ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 56.5MB in the beginning and 631.4MB in the end (delta: -574.9MB). Peak memory consumption was 632.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35053.87ms. Allocated memory was 1.0GB in the beginning and 7.6GB in the end (delta: 6.6GB). Free memory was 631.4MB in the beginning and 5.0GB in the end (delta: -4.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 209.35ms. Allocated memory is still 7.6GB. Free memory was 5.0GB in the beginning and 5.0GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3628]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3628-3629] - GenericResultAtLocation [Line: 3662]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] - GenericResultAtLocation [Line: 3665]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] - GenericResultAtLocation [Line: 3668]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] - GenericResultAtLocation [Line: 3671]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] - GenericResultAtLocation [Line: 4769]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] - GenericResultAtLocation [Line: 4776]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] - GenericResultAtLocation [Line: 4783]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] - GenericResultAtLocation [Line: 4790]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] - GenericResultAtLocation [Line: 4837]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] - GenericResultAtLocation [Line: 4844]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] - GenericResultAtLocation [Line: 4851]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] - GenericResultAtLocation [Line: 4858]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] - GenericResultAtLocation [Line: 5071]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] - GenericResultAtLocation [Line: 5078]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] - GenericResultAtLocation [Line: 5085]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] - GenericResultAtLocation [Line: 5092]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] - GenericResultAtLocation [Line: 5152]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] - GenericResultAtLocation [Line: 5159]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] - GenericResultAtLocation [Line: 5166]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] - GenericResultAtLocation [Line: 5173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] - GenericResultAtLocation [Line: 5263]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] - GenericResultAtLocation [Line: 5270]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] - GenericResultAtLocation [Line: 5277]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] - GenericResultAtLocation [Line: 5284]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7269]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 495 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 34.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 17.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 16.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 655 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78750occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:51:53,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82132f6a-f748-40a5-8d48-a75af676715c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE