./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 09:47:39,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 09:47:39,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-10-26 09:47:39,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 09:47:39,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 09:47:39,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 09:47:39,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 09:47:39,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 09:47:39,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 09:47:39,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 09:47:39,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 09:47:39,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 09:47:39,200 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 09:47:39,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 09:47:39,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 09:47:39,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 09:47:39,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 09:47:39,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 09:47:39,202 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-26 09:47:39,202 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-26 09:47:39,203 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-26 09:47:39,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 09:47:39,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-26 09:47:39,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 09:47:39,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 09:47:39,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 09:47:39,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 09:47:39,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 09:47:39,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 09:47:39,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 09:47:39,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 09:47:39,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 09:47:39,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 09:47:39,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 09:47:39,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 09:47:39,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 09:47:39,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 09:47:39,207 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 09:47:39,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 09:47:39,208 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 09:47:39,208 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 09:47:39,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 [2024-10-26 09:47:39,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 09:47:39,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 09:47:39,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 09:47:39,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 09:47:39,451 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 09:47:39,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-10-26 09:47:40,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 09:47:41,103 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 09:47:41,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-10-26 09:47:41,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75079a505/f8a9e45dcae143979aef55de634bcfc4/FLAG6176eadc1 [2024-10-26 09:47:41,155 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75079a505/f8a9e45dcae143979aef55de634bcfc4 [2024-10-26 09:47:41,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 09:47:41,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 09:47:41,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 09:47:41,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 09:47:41,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 09:47:41,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:47:41" (1/1) ... [2024-10-26 09:47:41,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c715df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:41, skipping insertion in model container [2024-10-26 09:47:41,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:47:41" (1/1) ... [2024-10-26 09:47:41,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 09:47:43,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 09:47:43,444 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-10-26 09:47:43,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6397cf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:43, skipping insertion in model container [2024-10-26 09:47:43,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 09:47:43,445 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-26 09:47:43,447 INFO L158 Benchmark]: Toolchain (without parser) took 2288.12ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 93.9MB in the beginning and 163.9MB in the end (delta: -70.0MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2024-10-26 09:47:43,447 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 09:47:43,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2281.33ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 93.9MB in the beginning and 163.9MB in the end (delta: -70.0MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2024-10-26 09:47:43,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2281.33ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 93.9MB in the beginning and 163.9MB in the end (delta: -70.0MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7090]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 09:47:45,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 09:47:45,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2024-10-26 09:47:45,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 09:47:45,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 09:47:45,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 09:47:45,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 09:47:45,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 09:47:45,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 09:47:45,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 09:47:45,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 09:47:45,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 09:47:45,116 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 09:47:45,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 09:47:45,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 09:47:45,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 09:47:45,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 09:47:45,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 09:47:45,117 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-26 09:47:45,118 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-26 09:47:45,118 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-26 09:47:45,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 09:47:45,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-26 09:47:45,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-26 09:47:45,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 09:47:45,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-26 09:47:45,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 09:47:45,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 09:47:45,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 09:47:45,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 09:47:45,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 09:47:45,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 09:47:45,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 09:47:45,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 09:47:45,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 09:47:45,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 09:47:45,122 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-26 09:47:45,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-26 09:47:45,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 09:47:45,123 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 09:47:45,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 09:47:45,123 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 09:47:45,123 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 09:47:45,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-26 09:47:45,124 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 [2024-10-26 09:47:45,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 09:47:45,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 09:47:45,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 09:47:45,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 09:47:45,386 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 09:47:45,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-10-26 09:47:46,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 09:47:47,127 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 09:47:47,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-10-26 09:47:47,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc8d625d6/0474d80abd35455595114a229cac8afa/FLAG54f83d206 [2024-10-26 09:47:47,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc8d625d6/0474d80abd35455595114a229cac8afa [2024-10-26 09:47:47,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 09:47:47,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 09:47:47,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 09:47:47,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 09:47:47,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 09:47:47,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:47:47" (1/1) ... [2024-10-26 09:47:47,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491318eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:47, skipping insertion in model container [2024-10-26 09:47:47,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:47:47" (1/1) ... [2024-10-26 09:47:47,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 09:47:49,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 09:47:49,367 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-26 09:47:49,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 09:47:49,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 09:47:49,791 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 09:47:49,935 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"); [5825] [2024-10-26 09:47:49,941 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)); [5832] [2024-10-26 09:47:49,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5839] [2024-10-26 09:47:49,972 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)); [5880-5881] [2024-10-26 09:47:49,972 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"); [5886-5888] [2024-10-26 09:47:49,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5982] [2024-10-26 09:47:49,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5990] [2024-10-26 09:47:50,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 09:47:50,317 INFO L204 MainTranslator]: Completed translation [2024-10-26 09:47:50,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50 WrapperNode [2024-10-26 09:47:50,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 09:47:50,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 09:47:50,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 09:47:50,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 09:47:50,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:50,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:50,718 INFO L138 Inliner]: procedures = 409, calls = 2222, calls flagged for inlining = 831, calls inlined = 2267, statements flattened = 20940 [2024-10-26 09:47:50,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 09:47:50,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 09:47:50,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 09:47:50,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 09:47:50,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:50,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:50,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:50,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 09:47:51,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 09:47:51,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 09:47:51,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 09:47:51,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (1/1) ... [2024-10-26 09:47:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 09:47:51,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 09:47:51,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-26 09:47:51,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-26 09:47:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-10-26 09:47:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-10-26 09:47:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_6 [2024-10-26 09:47:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_6 [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 09:47:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-26 09:47:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_5 [2024-10-26 09:47:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_5 [2024-10-26 09:47:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_4 [2024-10-26 09:47:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_4 [2024-10-26 09:47:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 09:47:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2024-10-26 09:47:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-26 09:47:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-10-26 09:47:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-10-26 09:47:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-10-26 09:47:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-26 09:47:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-26 09:47:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-26 09:47:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-10-26 09:47:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-10-26 09:47:51,412 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 09:47:51,986 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 09:47:51,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 09:48:10,551 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 09:48:10,551 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 09:48:29,039 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-26 09:48:29,039 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-26 09:48:29,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:48:29 BoogieIcfgContainer [2024-10-26 09:48:29,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-26 09:48:29,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-26 09:48:29,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-26 09:48:29,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-26 09:48:29,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:47:47" (1/3) ... [2024-10-26 09:48:29,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f45d437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:48:29, skipping insertion in model container [2024-10-26 09:48:29,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:47:50" (2/3) ... [2024-10-26 09:48:29,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f45d437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:48:29, skipping insertion in model container [2024-10-26 09:48:29,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:48:29" (3/3) ... [2024-10-26 09:48:29,046 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-10-26 09:48:29,061 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-26 09:48:29,062 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2579 error locations. [2024-10-26 09:48:29,062 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-26 09:48:32,636 INFO L143 ThreadInstanceAdder]: Constructed 109 joinOtherThreadTransitions. [2024-10-26 09:48:32,755 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 09:48:32,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 09:48:32,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 09:48:32,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 09:48:32,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-26 09:48:32,814 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 09:48:32,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork7 ======== [2024-10-26 09:48:32,830 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@12acb7bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 09:48:32,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 195 error locations. Killed by 15