./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 15:56:06,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 15:56:06,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 15:56:06,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 15:56:06,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 15:56:06,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 15:56:06,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 15:56:06,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 15:56:06,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 15:56:06,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 15:56:06,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 15:56:06,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 15:56:06,939 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 15:56:06,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 15:56:06,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 15:56:06,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 15:56:06,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 15:56:06,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 15:56:06,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 15:56:06,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 15:56:06,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 15:56:06,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 15:56:06,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 15:56:06,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 15:56:06,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 15:56:06,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 15:56:06,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 15:56:06,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 15:56:06,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 15:56:06,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 15:56:06,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:56:06,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 15:56:06,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 15:56:06,946 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 15:56:06,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 15:56:06,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 15:56:06,947 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 15:56:06,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 15:56:06,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 15:56:06,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 15:56:06,948 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 15:56:06,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 15:56:07,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 15:56:07,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 15:56:07,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 15:56:07,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 15:56:07,161 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 15:56:07,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-10-18 15:56:08,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 15:56:08,812 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 15:56:08,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-10-18 15:56:08,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5d3987f8/c463d01841884ef1909beb4a4778b74e/FLAGee79c88d8 [2024-10-18 15:56:08,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5d3987f8/c463d01841884ef1909beb4a4778b74e [2024-10-18 15:56:08,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 15:56:08,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 15:56:08,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 15:56:08,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 15:56:08,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 15:56:08,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:56:08" (1/1) ... [2024-10-18 15:56:08,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46135306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:56:08, skipping insertion in model container [2024-10-18 15:56:08,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:56:08" (1/1) ... [2024-10-18 15:56:08,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 15:56:09,284 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-10-18 15:56:11,853 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:11,854 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:11,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:56:11,918 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 15:56:11,932 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-10-18 15:56:11,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:11,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:11,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:11,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:12,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-18 15:56:12,100 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:12,100 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:12,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:56:12,611 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-18 15:56:12,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41eaeb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:56:12, skipping insertion in model container [2024-10-18 15:56:12,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 15:56:12,613 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-18 15:56:12,614 INFO L158 Benchmark]: Toolchain (without parser) took 3746.44ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 75.4MB in the beginning and 115.9MB in the end (delta: -40.4MB). Peak memory consumption was 136.4MB. Max. memory is 16.1GB. [2024-10-18 15:56:12,615 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 110.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 15:56:12,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3740.75ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 75.3MB in the beginning and 115.9MB in the end (delta: -40.6MB). Peak memory consumption was 136.4MB. Max. memory is 16.1GB. [2024-10-18 15:56:12,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 110.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3740.75ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 75.3MB in the beginning and 115.9MB in the end (delta: -40.6MB). Peak memory consumption was 136.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 15:56:14,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 15:56:14,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-18 15:56:14,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 15:56:14,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 15:56:14,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 15:56:14,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 15:56:14,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 15:56:14,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 15:56:14,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 15:56:14,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 15:56:14,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 15:56:14,418 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 15:56:14,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 15:56:14,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 15:56:14,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 15:56:14,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-18 15:56:14,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 15:56:14,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-18 15:56:14,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 15:56:14,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 15:56:14,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:56:14,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-18 15:56:14,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 15:56:14,429 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-18 15:56:14,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 15:56:14,430 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 15:56:14,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 15:56:14,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 15:56:14,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 15:56:14,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 15:56:14,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 15:56:14,732 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 15:56:14,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-10-18 15:56:16,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 15:56:16,404 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 15:56:16,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-10-18 15:56:16,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4356b5f36/621a8198c9ce490d833522063bd32c3f/FLAG5be6efd98 [2024-10-18 15:56:16,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4356b5f36/621a8198c9ce490d833522063bd32c3f [2024-10-18 15:56:16,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 15:56:16,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 15:56:16,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 15:56:16,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 15:56:16,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 15:56:16,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:56:16" (1/1) ... [2024-10-18 15:56:16,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639fb37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:56:16, skipping insertion in model container [2024-10-18 15:56:16,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:56:16" (1/1) ... [2024-10-18 15:56:16,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 15:56:16,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-10-18 15:56:19,080 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:19,081 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:19,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:56:19,153 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 15:56:19,166 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-10-18 15:56:19,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:19,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:19,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:19,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 15:56:19,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-18 15:56:19,377 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:19,377 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 15:56:19,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:56:19,864 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-18 15:56:19,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28ca2337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:56:19, skipping insertion in model container [2024-10-18 15:56:19,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 15:56:19,865 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-18 15:56:19,871 INFO L158 Benchmark]: Toolchain (without parser) took 3288.60ms. Allocated memory was 81.8MB in the beginning and 153.1MB in the end (delta: 71.3MB). Free memory was 54.3MB in the beginning and 49.2MB in the end (delta: 5.1MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-10-18 15:56:19,871 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 15:56:19,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3286.29ms. Allocated memory was 81.8MB in the beginning and 153.1MB in the end (delta: 71.3MB). Free memory was 54.0MB in the beginning and 49.2MB in the end (delta: 4.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-10-18 15:56:19,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3286.29ms. Allocated memory was 81.8MB in the beginning and 153.1MB in the end (delta: 71.3MB). Free memory was 54.0MB in the beginning and 49.2MB in the end (delta: 4.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN