./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:30:13,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:30:13,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:30:13,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:30:13,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:30:13,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:30:13,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:30:13,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:30:13,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:30:13,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:30:13,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:30:13,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:30:13,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:30:13,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:30:13,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:30:13,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:30:13,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:30:13,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:30:13,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:30:13,188 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:30:13,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:30:13,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:30:13,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:30:13,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:30:13,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:30:13,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:30:13,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:13,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:30:13,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:30:13,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:30:13,193 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:30:13,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:30:13,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:30:13,194 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_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2023-12-03 03:30:13,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:30:13,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:30:13,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:30:13,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:30:13,457 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:30:13,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-03 03:30:16,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:30:16,577 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:30:16,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-03 03:30:16,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/0f844c554/cf19f0ae403e4ac2aa7f4849a920dfb0/FLAGc6116ffe8 [2023-12-03 03:30:16,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/0f844c554/cf19f0ae403e4ac2aa7f4849a920dfb0 [2023-12-03 03:30:16,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:30:16,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:30:16,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:16,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:30:16,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:30:16,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:16" (1/1) ... [2023-12-03 03:30:16,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98394aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:16, skipping insertion in model container [2023-12-03 03:30:16,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:16" (1/1) ... [2023-12-03 03:30:16,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:30:16,985 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-03 03:30:21,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:21,064 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:30:21,079 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-03 03:30:21,156 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] [2023-12-03 03:30:21,157 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] [2023-12-03 03:30:21,157 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] [2023-12-03 03:30:21,157 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] [2023-12-03 03:30:21,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-12-03 03:30:21,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,811 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:21,817 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:30:21,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21 WrapperNode [2023-12-03 03:30:21,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:21,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:21,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:30:21,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:30:21,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,964 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 115, calls inlined = 13, statements flattened = 293 [2023-12-03 03:30:21,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:21,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:30:21,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:30:21,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:30:21,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:21,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:22,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:22,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:22,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:22,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:30:22,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:30:22,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:30:22,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:30:22,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:21" (1/1) ... [2023-12-03 03:30:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:22,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:30:22,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:30:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:30:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:30:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:30:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:30:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:30:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-03 03:30:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-03 03:30:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:30:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:30:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:30:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 03:30:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-03 03:30:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-03 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-03 03:30:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-03 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2023-12-03 03:30:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure access_ok [2023-12-03 03:30:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:30:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:30:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-12-03 03:30:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-12-03 03:30:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:30:22,097 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:30:22,438 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:30:22,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:30:22,882 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:30:22,995 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem50 := read~int(~lock.base, 4 + ~lock.offset, 4);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:30:22,999 INFO L158 Benchmark]: Toolchain (without parser) took 6368.77ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 94.0MB in the beginning and 82.6MB in the end (delta: 11.4MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2023-12-03 03:30:23,000 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:30:23,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5187.54ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 93.5MB in the beginning and 101.8MB in the end (delta: -8.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-12-03 03:30:23,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.48ms. Allocated memory is still 169.9MB. Free memory was 101.8MB in the beginning and 93.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:30:23,002 INFO L158 Benchmark]: Boogie Preprocessor took 55.28ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 88.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:30:23,002 INFO L158 Benchmark]: RCFGBuilder took 975.70ms. Allocated memory is still 169.9MB. Free memory was 88.2MB in the beginning and 82.6MB in the end (delta: 5.6MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-03 03:30:23,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5187.54ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 93.5MB in the beginning and 101.8MB in the end (delta: -8.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.48ms. Allocated memory is still 169.9MB. Free memory was 101.8MB in the beginning and 93.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.28ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 88.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 975.70ms. Allocated memory is still 169.9MB. Free memory was 88.2MB in the beginning and 82.6MB in the end (delta: 5.6MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem50 := read~int(~lock.base, 4 + ~lock.offset, 4);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem50 := read~int(~lock.base, 4 + ~lock.offset, 4);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) * 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. [2023-12-03 03:30:23,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/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_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:30:24,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:30:24,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:30:25,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:30:25,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:30:25,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:30:25,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:30:25,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:30:25,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:30:25,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:30:25,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:30:25,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:30:25,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:30:25,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:30:25,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:30:25,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:30:25,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:30:25,037 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:30:25,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:30:25,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:30:25,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:30:25,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:30:25,039 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:30:25,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:30:25,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:30:25,040 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:25,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:30:25,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:30:25,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:25,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:30:25,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:30:25,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:30:25,043 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:30:25,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:25,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:30:25,045 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:30:25,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:30:25,045 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_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2023-12-03 03:30:25,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:30:25,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:30:25,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:30:25,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:30:25,382 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:30:25,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-03 03:30:28,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:30:28,558 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:30:28,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-03 03:30:28,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/c9b2a6650/c3cb770b5af74f77a414d12b50ddc5f2/FLAGdcc73e578 [2023-12-03 03:30:28,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/data/c9b2a6650/c3cb770b5af74f77a414d12b50ddc5f2 [2023-12-03 03:30:28,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:30:28,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:30:28,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:28,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:30:28,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:30:28,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:28" (1/1) ... [2023-12-03 03:30:28,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7c38b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:28, skipping insertion in model container [2023-12-03 03:30:28,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:28" (1/1) ... [2023-12-03 03:30:28,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:30:28,978 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-03 03:30:32,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:32,926 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:30:32,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:30:32,988 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-03 03:30:33,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:33,198 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:30:33,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-03 03:30:33,288 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] [2023-12-03 03:30:33,290 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] [2023-12-03 03:30:33,290 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] [2023-12-03 03:30:33,290 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] [2023-12-03 03:30:33,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-12-03 03:30:33,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:33,992 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,992 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,992 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,992 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,993 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,993 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:30:33,998 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:30:33,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33 WrapperNode [2023-12-03 03:30:33,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:34,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:34,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:30:34,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:30:34,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,149 INFO L138 Inliner]: procedures = 1367, calls = 1450, calls flagged for inlining = 115, calls inlined = 13, statements flattened = 277 [2023-12-03 03:30:34,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:34,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:30:34,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:30:34,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:30:34,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:30:34,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:30:34,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:30:34,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:30:34,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:33" (1/1) ... [2023-12-03 03:30:34,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:30:34,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:30:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:30:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:30:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:30:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:30:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-03 03:30:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-03 03:30:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:30:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:30:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:30:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 03:30:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-03 03:30:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-03 03:30:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-03 03:30:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-03 03:30:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:30:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2023-12-03 03:30:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure access_ok [2023-12-03 03:30:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-03 03:30:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:30:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:30:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:30:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-03 03:30:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:30:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:30:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-12-03 03:30:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-12-03 03:30:34,321 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:30:34,715 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:30:34,718 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:30:35,316 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:30:35,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem39 := read~intINTTYPE4(~lock.base, ~bvadd~32(4bv32, ~lock.offset), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:30:35,430 INFO L158 Benchmark]: Toolchain (without parser) took 6823.11ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 91.1MB in the beginning and 119.6MB in the end (delta: -28.5MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-12-03 03:30:35,431 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:30:35,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5391.59ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 90.7MB in the beginning and 59.5MB in the end (delta: 31.2MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2023-12-03 03:30:35,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.58ms. Allocated memory is still 153.1MB. Free memory was 59.5MB in the beginning and 49.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:30:35,433 INFO L158 Benchmark]: Boogie Preprocessor took 67.40ms. Allocated memory is still 153.1MB. Free memory was 49.9MB in the beginning and 43.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:30:35,434 INFO L158 Benchmark]: RCFGBuilder took 1209.36ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 119.6MB in the end (delta: -76.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-12-03 03:30:35,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5391.59ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 90.7MB in the beginning and 59.5MB in the end (delta: 31.2MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.58ms. Allocated memory is still 153.1MB. Free memory was 59.5MB in the beginning and 49.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.40ms. Allocated memory is still 153.1MB. Free memory was 49.9MB in the beginning and 43.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1209.36ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 119.6MB in the end (delta: -76.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem39 := read~intINTTYPE4(~lock.base, ~bvadd~32(4bv32, ~lock.offset), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem39 := read~intINTTYPE4(~lock.base, ~bvadd~32(4bv32, ~lock.offset), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) * 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. [2023-12-03 03:30:35,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b18d4a-f8fe-4ec4-bd66-d460a04de887/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem39 := read~intINTTYPE4(~lock.base, ~bvadd~32(4bv32, ~lock.offset), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?