./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:20,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:21,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:21,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:21,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:21,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:21,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:21,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:21,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:21,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:21,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:21,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:21,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:21,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:21,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:21,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:21,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:21,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:21,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:21,058 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:21,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:21,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:21,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:21,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:21,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:21,069 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:21,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:21,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:21,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:21,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:21,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:21,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:21,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:21,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:21,074 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-11 23:55:21,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:21,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:21,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:21,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:21,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:21,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-11 23:55:24,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:25,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:25,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-11 23:55:25,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/72807a5ab/19b26c7e6fd042a5be7e11fda087b261/FLAG50b8e6ce7 [2023-11-11 23:55:25,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/72807a5ab/19b26c7e6fd042a5be7e11fda087b261 [2023-11-11 23:55:25,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:25,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:25,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:25,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:25,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:25,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:25" (1/1) ... [2023-11-11 23:55:25,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e49cbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:25, skipping insertion in model container [2023-11-11 23:55:25,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:25" (1/1) ... [2023-11-11 23:55:25,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:30,771 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-11 23:55:31,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:31,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:31,800 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] [2023-11-11 23:55:31,803 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] [2023-11-11 23:55:31,803 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] [2023-11-11 23:55:31,804 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] [2023-11-11 23:55:31,884 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-11 23:55:31,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-11 23:55:31,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:32,624 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,625 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:32,634 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:32,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32 WrapperNode [2023-11-11 23:55:32,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:32,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:32,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:32,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:32,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,846 INFO L138 Inliner]: procedures = 1354, calls = 1453, calls flagged for inlining = 116, calls inlined = 14, statements flattened = 300 [2023-11-11 23:55:32,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:32,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:32,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:32,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:32,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:32,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:32,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:32,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:32,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:32,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:32,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:55:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:55:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-11 23:55:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-11 23:55:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-11 23:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-11 23:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-11 23:55:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-11 23:55:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-11 23:55:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2023-11-11 23:55:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure access_ok [2023-11-11 23:55:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-11 23:55:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-11 23:55:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:55:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:33,026 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:33,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:33,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:33,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:34,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:34,143 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:34,144 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L443 is neither atomic block end nor a sink node. [2023-11-11 23:55:34,145 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:55:34,149 INFO L158 Benchmark]: Toolchain (without parser) took 8826.31ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 139.5MB in the beginning and 116.2MB in the end (delta: 23.3MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:34,149 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 109.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:34,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7309.55ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 139.5MB in the beginning and 103.5MB in the end (delta: 36.0MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:34,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.37ms. Allocated memory is still 234.9MB. Free memory was 103.5MB in the beginning and 95.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:55:34,152 INFO L158 Benchmark]: Boogie Preprocessor took 63.15ms. Allocated memory is still 234.9MB. Free memory was 95.1MB in the beginning and 89.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:34,152 INFO L158 Benchmark]: RCFGBuilder took 1234.86ms. Allocated memory is still 234.9MB. Free memory was 89.9MB in the beginning and 116.2MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:34,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 109.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7309.55ms. Allocated memory was 186.6MB in the beginning and 234.9MB in the end (delta: 48.2MB). Free memory was 139.5MB in the beginning and 103.5MB in the end (delta: 36.0MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.37ms. Allocated memory is still 234.9MB. Free memory was 103.5MB in the beginning and 95.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.15ms. Allocated memory is still 234.9MB. Free memory was 95.1MB in the beginning and 89.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.86ms. Allocated memory is still 234.9MB. Free memory was 89.9MB in the beginning and 116.2MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) * 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] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:34,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:36,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:36,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:36,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:36,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:36,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:36,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:36,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:36,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:36,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:36,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:36,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:36,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:36,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:36,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:36,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:36,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:36,905 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:36,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:36,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:36,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:36,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:36,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:36,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:36,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:36,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:36,909 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:36,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:36,909 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:36,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:36,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:36,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:36,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:36,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:36,912 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:36,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:36,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:36,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:36,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:36,914 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-11 23:55:37,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:37,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:37,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:37,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:37,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:37,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-11 23:55:40,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:41,273 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:41,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-11 23:55:41,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/9ac616ec2/422bb2e2f78d4e0fbafe9aa9dc1242c6/FLAG856da881c [2023-11-11 23:55:41,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/data/9ac616ec2/422bb2e2f78d4e0fbafe9aa9dc1242c6 [2023-11-11 23:55:41,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:41,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:41,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:41,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:41,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:41,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:41" (1/1) ... [2023-11-11 23:55:41,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185650a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:41, skipping insertion in model container [2023-11-11 23:55:41,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:41" (1/1) ... [2023-11-11 23:55:41,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:45,808 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-11 23:55:46,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:46,649 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:55:46,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:47,003 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-11 23:55:47,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:47,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:47,256 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] [2023-11-11 23:55:47,257 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] [2023-11-11 23:55:47,258 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] [2023-11-11 23:55:47,258 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] [2023-11-11 23:55:47,331 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-11 23:55:47,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-11 23:55:47,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:48,261 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,261 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,262 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,262 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,262 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,262 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,262 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:48,270 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:48,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48 WrapperNode [2023-11-11 23:55:48,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:48,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:48,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:48,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:48,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,474 INFO L138 Inliner]: procedures = 1368, calls = 1453, calls flagged for inlining = 116, calls inlined = 14, statements flattened = 285 [2023-11-11 23:55:48,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:48,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:48,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:48,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:48,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:48,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:48,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:48,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:48,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:48,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:48,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:55:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:55:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-11 23:55:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-11 23:55:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-11 23:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-11 23:55:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-11 23:55:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-11 23:55:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-11 23:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2023-11-11 23:55:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure access_ok [2023-11-11 23:55:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-11 23:55:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-11 23:55:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-11 23:55:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:55:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-11 23:55:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:55:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:55:48,720 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:49,241 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:49,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:49,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:50,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:50,003 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:50,004 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L443 is neither atomic block end nor a sink node. [2023-11-11 23:55:50,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:55:50,008 INFO L158 Benchmark]: Toolchain (without parser) took 8646.85ms. Allocated memory was 92.3MB in the beginning and 169.9MB in the end (delta: 77.6MB). Free memory was 56.8MB in the beginning and 44.3MB in the end (delta: 12.5MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,009 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:50,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6905.66ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 56.6MB in the beginning and 51.1MB in the end (delta: 5.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.11ms. Allocated memory is still 136.3MB. Free memory was 51.1MB in the beginning and 41.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,010 INFO L158 Benchmark]: Boogie Preprocessor took 138.94ms. Allocated memory is still 136.3MB. Free memory was 41.8MB in the beginning and 35.3MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,011 INFO L158 Benchmark]: RCFGBuilder took 1390.89ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 35.3MB in the beginning and 44.3MB in the end (delta: -9.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:50,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6905.66ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 56.6MB in the beginning and 51.1MB in the end (delta: 5.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.11ms. Allocated memory is still 136.3MB. Free memory was 51.1MB in the beginning and 41.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.94ms. Allocated memory is still 136.3MB. Free memory was 41.8MB in the beginning and 35.3MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1390.89ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 35.3MB in the beginning and 44.3MB in the end (delta: -9.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) * 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] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:50,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01cc7fda-719a-4b8e-9fd6-6847d34ae1ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?