./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.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_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:06:04,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:06:04,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:06:04,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:06:04,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:06:04,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:06:04,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:06:04,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:06:04,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:06:04,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:06:04,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:06:04,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:06:04,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:06:04,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:06:04,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:06:04,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:06:04,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:06:04,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:06:04,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:06:04,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:06:04,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:06:04,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:06:04,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:06:04,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:06:04,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:06:04,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:06:04,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:06:04,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:06:04,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:06:04,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:06:04,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:06:04,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:06:04,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:04,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:06:04,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:06:04,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:06:04,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:06:04,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:06:04,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:06:04,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:06:04,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:06:04,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:06:04,778 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2024-11-08 19:06:05,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:06:05,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:06:05,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:06:05,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:06:05,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:06:05,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-11-08 19:06:07,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:06:08,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:06:08,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-08 19:06:08,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/data/9b6840f9d/6a815d4dc5b84cf38998455224e6c641/FLAG1cfa90e57 [2024-11-08 19:06:08,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/data/9b6840f9d/6a815d4dc5b84cf38998455224e6c641 [2024-11-08 19:06:08,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:06:08,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:06:08,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:08,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:06:08,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:06:08,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:08" (1/1) ... [2024-11-08 19:06:08,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf57e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:08, skipping insertion in model container [2024-11-08 19:06:08,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:08" (1/1) ... [2024-11-08 19:06:08,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:06:09,293 WARN L250 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_18dde6cb-9b3e-4e93-8c70-bede9017635e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-08 19:06:15,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:16,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:06:16,035 WARN L250 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_18dde6cb-9b3e-4e93-8c70-bede9017635e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-08 19:06:16,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-08 19:06:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-08 19:06:16,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-08 19:06:16,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-08 19:06:16,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-08 19:06:16,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:17,143 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:06:17,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17 WrapperNode [2024-11-08 19:06:17,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:17,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:17,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:06:17,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:06:17,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,416 INFO L138 Inliner]: procedures = 1354, calls = 1463, calls flagged for inlining = 352, calls inlined = 19, statements flattened = 345 [2024-11-08 19:06:17,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:17,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:06:17,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:06:17,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:06:17,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,508 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 4, 5, 3, 31, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 4, 2, 3, 31, 0]. The 4 writes are split as follows [0, 0, 0, 2, 0, 0, 2]. [2024-11-08 19:06:17,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:06:17,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:06:17,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:06:17,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:06:17,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (1/1) ... [2024-11-08 19:06:17,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:17,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:17,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:06:17,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:06:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:06:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:06:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:06:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:06:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:06:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:06:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 19:06:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:06:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:06:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:06:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:06:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:06:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:06:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:06:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:06:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:06:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:06:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:06:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:06:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 19:06:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-08 19:06:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-08 19:06:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:06:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:06:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 19:06:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:06:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:06:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:06:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:06:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:06:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:06:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 19:06:17,723 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:06:18,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:06:18,352 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:06:19,170 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:06:19,170 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:06:20,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:06:20,006 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:06:20,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:20 BoogieIcfgContainer [2024-11-08 19:06:20,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:06:20,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:06:20,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:06:20,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:06:20,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:06:08" (1/3) ... [2024-11-08 19:06:20,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5262f604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:20, skipping insertion in model container [2024-11-08 19:06:20,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:17" (2/3) ... [2024-11-08 19:06:20,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5262f604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:20, skipping insertion in model container [2024-11-08 19:06:20,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:20" (3/3) ... [2024-11-08 19:06:20,024 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-08 19:06:20,052 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:06:20,053 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:06:20,053 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:06:20,198 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 19:06:20,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 39 transitions, 92 flow [2024-11-08 19:06:20,314 INFO L124 PetriNetUnfolderBase]: 8/37 cut-off events. [2024-11-08 19:06:20,314 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:06:20,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 8/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2024-11-08 19:06:20,322 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 39 transitions, 92 flow [2024-11-08 19:06:20,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 35 transitions, 79 flow [2024-11-08 19:06:20,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:06:20,360 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f2438a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:06:20,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 19:06:20,392 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:06:20,392 INFO L124 PetriNetUnfolderBase]: 8/31 cut-off events. [2024-11-08 19:06:20,392 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:06:20,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:06:20,394 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:20,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 19:06:20,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 647461180, now seen corresponding path program 1 times [2024-11-08 19:06:20,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249881403] [2024-11-08 19:06:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:06:21,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:21,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249881403] [2024-11-08 19:06:21,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249881403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:21,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:21,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:21,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962182903] [2024-11-08 19:06:21,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:21,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:06:21,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:06:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:21,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2024-11-08 19:06:21,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:21,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:06:21,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2024-11-08 19:06:21,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:06:22,383 INFO L124 PetriNetUnfolderBase]: 382/597 cut-off events. [2024-11-08 19:06:22,386 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-08 19:06:22,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1205 conditions, 597 events. 382/597 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2038 event pairs, 198 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 1145. Up to 467 conditions per place. [2024-11-08 19:06:22,396 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2024-11-08 19:06:22,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 45 transitions, 184 flow [2024-11-08 19:06:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:06:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:06:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2024-11-08 19:06:22,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2024-11-08 19:06:22,418 INFO L175 Difference]: Start difference. First operand has 34 places, 35 transitions, 79 flow. Second operand 3 states and 63 transitions. [2024-11-08 19:06:22,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 45 transitions, 184 flow [2024-11-08 19:06:22,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 178 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:06:22,426 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2024-11-08 19:06:22,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2024-11-08 19:06:22,434 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2024-11-08 19:06:22,435 INFO L471 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2024-11-08 19:06:22,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:22,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-08 19:06:22,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-08 19:06:22,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-08 19:06:22,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-08 19:06:22,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:06:22,446 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 19:06:22,458 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:06:22,459 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:06:22,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:06:22 BasicIcfg [2024-11-08 19:06:22,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:06:22,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:06:22,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:06:22,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:06:22,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:20" (3/4) ... [2024-11-08 19:06:22,473 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:06:22,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-08 19:06:22,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:06:22,493 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-08 19:06:22,494 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-08 19:06:22,494 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-08 19:06:22,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 19:06:22,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:06:22,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:06:22,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:06:22,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 19:06:22,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:06:22,666 INFO L158 Benchmark]: Toolchain (without parser) took 14182.29ms. Allocated memory was 167.8MB in the beginning and 287.3MB in the end (delta: 119.5MB). Free memory was 116.9MB in the beginning and 185.3MB in the end (delta: -68.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,666 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 136.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:06:22,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8659.04ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 116.9MB in the beginning and 135.0MB in the end (delta: -18.1MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.33ms. Allocated memory is still 222.3MB. Free memory was 135.0MB in the beginning and 125.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,668 INFO L158 Benchmark]: Boogie Preprocessor took 181.24ms. Allocated memory is still 222.3MB. Free memory was 125.5MB in the beginning and 119.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,668 INFO L158 Benchmark]: RCFGBuilder took 2407.35ms. Allocated memory was 222.3MB in the beginning and 287.3MB in the end (delta: 65.0MB). Free memory was 119.3MB in the beginning and 156.2MB in the end (delta: -36.9MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,669 INFO L158 Benchmark]: TraceAbstraction took 2456.81ms. Allocated memory is still 287.3MB. Free memory was 155.1MB in the beginning and 191.6MB in the end (delta: -36.4MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,669 INFO L158 Benchmark]: Witness Printer took 195.10ms. Allocated memory is still 287.3MB. Free memory was 191.6MB in the beginning and 185.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:06:22,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 136.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8659.04ms. Allocated memory was 167.8MB in the beginning and 222.3MB in the end (delta: 54.5MB). Free memory was 116.9MB in the beginning and 135.0MB in the end (delta: -18.1MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.33ms. Allocated memory is still 222.3MB. Free memory was 135.0MB in the beginning and 125.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.24ms. Allocated memory is still 222.3MB. Free memory was 125.5MB in the beginning and 119.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2407.35ms. Allocated memory was 222.3MB in the beginning and 287.3MB in the end (delta: 65.0MB). Free memory was 119.3MB in the beginning and 156.2MB in the end (delta: -36.9MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2456.81ms. Allocated memory is still 287.3MB. Free memory was 155.1MB in the beginning and 191.6MB in the end (delta: -36.4MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Witness Printer took 195.10ms. Allocated memory is still 287.3MB. Free memory was 191.6MB in the beginning and 185.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 19:06:22,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dde6cb-9b3e-4e93-8c70-bede9017635e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: TRUE