./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:51:05,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:51:05,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 05:51:05,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:51:05,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:51:05,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:51:05,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:51:05,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:51:05,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:51:05,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:51:05,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:51:05,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:51:05,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:51:05,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:51:05,906 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:05,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:05,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:51:05,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:51:05,908 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2024-12-02 05:51:06,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:51:06,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:51:06,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:51:06,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:51:06,161 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:51:06,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-12-02 05:51:08,894 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/data/d15183bb1/5b953aa93e7c4c2b9f07efc02828c6bc/FLAGb19dce04b [2024-12-02 05:51:09,336 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:51:09,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-12-02 05:51:09,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/data/d15183bb1/5b953aa93e7c4c2b9f07efc02828c6bc/FLAGb19dce04b [2024-12-02 05:51:09,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/data/d15183bb1/5b953aa93e7c4c2b9f07efc02828c6bc [2024-12-02 05:51:09,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:51:09,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:51:09,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:51:09,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:51:09,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:51:09,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:09" (1/1) ... [2024-12-02 05:51:09,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967f8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:09, skipping insertion in model container [2024-12-02 05:51:09,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:09" (1/1) ... [2024-12-02 05:51:09,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:51:11,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:11,333 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:51:11,442 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"); [5646] [2024-12-02 05:51:11,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5653] [2024-12-02 05:51:11,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5660] [2024-12-02 05:51:11,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/alpha/git/klever2/klever/native-scheduler-work-dir/scheduler/jobs/d5cd53f56669d61faa91054857893dbd/klever-core-work-dir/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5694-5695] [2024-12-02 05:51:11,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5700-5702] [2024-12-02 05:51:11,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5759] [2024-12-02 05:51:11,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5767] [2024-12-02 05:51:11,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:51:11,720 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:51:11,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11 WrapperNode [2024-12-02 05:51:11,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:51:11,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:11,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:51:11,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:51:11,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:11,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,089 INFO L138 Inliner]: procedures = 328, calls = 1289, calls flagged for inlining = 515, calls inlined = 856, statements flattened = 10599 [2024-12-02 05:51:12,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:51:12,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:51:12,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:51:12,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:51:12,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:51:12,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:51:12,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:51:12,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:51:12,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (1/1) ... [2024-12-02 05:51:12,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:51:12,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:51:12,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:51:12,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc9fe5d-4c03-43a2-892a-d41d424d233a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2024-12-02 05:51:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-12-02 05:51:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-12-02 05:51:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 05:51:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 05:51:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:51:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:51:12,583 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 05:51:13,085 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:51:13,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:51:21,921 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 05:51:21,921 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:51:22,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:51:22,146 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 05:51:22,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:22 BoogieIcfgContainer [2024-12-02 05:51:22,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:51:22,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:51:22,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:51:22,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:51:22,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:51:09" (1/3) ... [2024-12-02 05:51:22,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df90454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:22, skipping insertion in model container [2024-12-02 05:51:22,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:11" (2/3) ... [2024-12-02 05:51:22,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df90454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:22, skipping insertion in model container [2024-12-02 05:51:22,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:22" (3/3) ... [2024-12-02 05:51:22,157 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-12-02 05:51:22,174 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:51:22,178 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i that has 4 procedures, 12909 locations, 1 initial locations, 0 loop locations, and 518 error locations. [2024-12-02 05:51:22,178 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 05:51:24,324 INFO L143 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2024-12-02 05:51:24,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 17224 places, 17746 transitions, 35551 flow [2024-12-02 05:54:22,932 INFO L124 PetriNetUnfolderBase]: 1006/33673 cut-off events. [2024-12-02 05:54:22,934 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-12-02 05:54:36,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33703 conditions, 33673 events. 1006/33673 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 248348 event pairs, 1 based on Foata normal form. 0/31354 useless extension candidates. Maximal degree in co-relation 33078. Up to 18 conditions per place. [2024-12-02 05:54:36,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 17224 places, 17746 transitions, 35551 flow [2024-12-02 05:54:37,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 12917 places, 13309 transitions, 26650 flow [2024-12-02 05:54:37,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:54:37,944 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=PETRI_NET, 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;@c73cfe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:54:37,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1039 error locations. [2024-12-02 05:54:37,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 05:54:37,992 INFO L124 PetriNetUnfolderBase]: 2/500 cut-off events. [2024-12-02 05:54:37,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:54:37,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:54:37,993 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:37,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONDATA_RACE, ldv_interrupt_scenario_2Err1ASSERT_VIOLATIONDATA_RACE, ldv_interrupt_scenario_2Err2ASSERT_VIOLATIONDATA_RACE (and 1036 more)] === [2024-12-02 05:54:38,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:38,000 INFO L85 PathProgramCache]: Analyzing trace with hash -700204163, now seen corresponding path program 1 times [2024-12-02 05:54:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:38,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520237826] [2024-12-02 05:54:38,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:54:38,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:38,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520237826] [2024-12-02 05:54:38,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520237826] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:38,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:38,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327093290] [2024-12-02 05:54:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:38,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:38,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:38,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:38,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:38,970 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17534 out of 17746 [2024-12-02 05:54:39,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12917 places, 13309 transitions, 26650 flow. Second operand has 3 states, 3 states have (on average 17535.333333333332) internal successors, (52606), 3 states have internal predecessors, (52606), 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) [2024-12-02 05:54:39,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:54:39,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17534 of 17746 [2024-12-02 05:54:39,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand