./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.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_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/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_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/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_54856e3e-5b45-497f-b724-c870f3d3ea2e/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 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:06:03,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:06:03,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 08:06:03,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:06:03,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:06:03,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:06:03,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:06:03,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:06:03,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:06:03,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:06:03,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:06:03,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:06:03,521 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:06:03,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:06:03,522 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:06:03,523 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:06:03,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:06:03,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:06:03,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:06:03,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:06:03,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:06:03,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:06:03,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:06:03,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:06:03,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:06:03,525 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_54856e3e-5b45-497f-b724-c870f3d3ea2e/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 -> 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 [2024-12-02 08:06:03,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:06:03,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:06:03,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:06:03,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:06:03,751 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:06:03,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-12-02 08:06:06,385 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/data/71f597fc9/5420b8e04b314b549dfb65d392b356df/FLAGa9e05029d [2024-12-02 08:06:06,788 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:06:06,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-12-02 08:06:06,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/data/71f597fc9/5420b8e04b314b549dfb65d392b356df/FLAGa9e05029d [2024-12-02 08:06:06,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/data/71f597fc9/5420b8e04b314b549dfb65d392b356df [2024-12-02 08:06:06,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:06:06,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:06:06,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:06:06,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:06:06,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:06:06,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:06:06" (1/1) ... [2024-12-02 08:06:06,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e14cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:06, skipping insertion in model container [2024-12-02 08:06:06,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:06:06" (1/1) ... [2024-12-02 08:06:07,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:06:08,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:06:08,321 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:06:08,377 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)); [2738-2739] [2024-12-02 08:06:08,378 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"); [2744-2746] [2024-12-02 08:06:08,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2834] [2024-12-02 08:06:08,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2841] [2024-12-02 08:06:08,419 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [3070-3071] [2024-12-02 08:06:08,421 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [3107-3108] [2024-12-02 08:06:08,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3858] [2024-12-02 08:06:08,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3959] [2024-12-02 08:06:08,488 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 *)"drivers/spi/spi-tegra20-slink.c"), "i" (764), "i" (12UL)); [4186-4187] [2024-12-02 08:06:08,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:06:08,716 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:06:08,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08 WrapperNode [2024-12-02 08:06:08,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:06:08,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:06:08,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:06:08,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:06:08,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:08,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,111 INFO L138 Inliner]: procedures = 311, calls = 1746, calls flagged for inlining = 457, calls inlined = 706, statements flattened = 12953 [2024-12-02 08:06:09,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:06:09,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:06:09,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:06:09,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:06:09,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:06:09,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:06:09,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:06:09,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:06:09,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (1/1) ... [2024-12-02 08:06:09,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:06:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:06:09,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:06:09,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54856e3e-5b45-497f-b724-c870f3d3ea2e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-02 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-12-02 08:06:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-12-02 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2024-12-02 08:06:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2024-12-02 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-02 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2024-12-02 08:06:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2024-12-02 08:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 08:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2024-12-02 08:06:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2024-12-02 08:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:06:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:06:09,652 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 08:06:10,260 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:06:10,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:06:20,465 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 08:06:20,465 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:06:20,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:06:20,667 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:06:20,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:06:20 BoogieIcfgContainer [2024-12-02 08:06:20,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:06:20,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:06:20,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:06:20,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:06:20,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:06:06" (1/3) ... [2024-12-02 08:06:20,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4052d2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:06:20, skipping insertion in model container [2024-12-02 08:06:20,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:06:08" (2/3) ... [2024-12-02 08:06:20,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4052d2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:06:20, skipping insertion in model container [2024-12-02 08:06:20,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:06:20" (3/3) ... [2024-12-02 08:06:20,676 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-12-02 08:06:20,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:06:20,693 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i that has 5 procedures, 15384 locations, 1 initial locations, 0 loop locations, and 728 error locations. [2024-12-02 08:06:20,693 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 08:06:22,760 INFO L143 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2024-12-02 08:06:23,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21573 places, 22207 transitions, 44483 flow [2024-12-02 08:07:57,088 INFO L124 PetriNetUnfolderBase]: 674/23373 cut-off events. [2024-12-02 08:07:57,091 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-12-02 08:08:01,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23403 conditions, 23373 events. 674/23373 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 159881 event pairs, 0 based on Foata normal form. 0/21669 useless extension candidates. Maximal degree in co-relation 22259. Up to 14 conditions per place. [2024-12-02 08:08:01,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 21573 places, 22207 transitions, 44483 flow [2024-12-02 08:08:02,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 15393 places, 15844 transitions, 31728 flow [2024-12-02 08:08:02,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:08:02,981 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;@3bbad497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:08:02,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1461 error locations. [2024-12-02 08:08:03,098 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 08:08:03,098 INFO L124 PetriNetUnfolderBase]: 2/1047 cut-off events. [2024-12-02 08:08:03,098 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:08:03,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:08:03,100 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:08:03,100 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 1458 more)] === [2024-12-02 08:08:03,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:08:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2040199542, now seen corresponding path program 1 times [2024-12-02 08:08:03,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:08:03,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179356300] [2024-12-02 08:08:03,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:08:03,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:08:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:08:04,260 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 08:08:04,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:08:04,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179356300] [2024-12-02 08:08:04,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179356300] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:08:04,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:08:04,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:08:04,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837889371] [2024-12-02 08:08:04,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:08:04,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:08:04,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:08:04,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:08:04,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:08:04,383 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21993 out of 22209 [2024-12-02 08:08:04,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15393 places, 15844 transitions, 31728 flow. Second operand has 3 states, 3 states have (on average 21994.333333333332) internal successors, (65983), 3 states have internal predecessors, (65983), 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 08:08:04,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:08:04,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21993 of 22209 [2024-12-02 08:08:04,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand