./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:56,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:57,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:57,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:57,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:57,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:57,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:57,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:57,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:57,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:57,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:57,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:57,156 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:57,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:57,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:57,158 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:57,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:57,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:57,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:57,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:57,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:57,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:57,163 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:57,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:57,164 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:57,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:57,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:57,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:57,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:57,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:57,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:57,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:57,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:57,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:57,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:57,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:57,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:57,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:57,171 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:57,172 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_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2023-11-19 08:04:57,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:57,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:57,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:57,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:57,530 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:57,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-19 08:05:00,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:01,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:01,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-19 08:05:01,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/data/37245cf87/e83761793ae6400f8e96335bbfce2e41/FLAG71958b8d9 [2023-11-19 08:05:01,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/data/37245cf87/e83761793ae6400f8e96335bbfce2e41 [2023-11-19 08:05:01,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:01,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:01,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:01,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:01,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:01,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:01" (1/1) ... [2023-11-19 08:05:01,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eef299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:01, skipping insertion in model container [2023-11-19 08:05:01,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:01" (1/1) ... [2023-11-19 08:05:01,509 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:01,710 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_6960a3d5-0af5-4909-b2e8-426a4d05da0a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2023-11-19 08:05:03,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:03,187 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:03,196 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_6960a3d5-0af5-4909-b2e8-426a4d05da0a/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2023-11-19 08:05:03,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:03,650 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:03,658 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:03,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03 WrapperNode [2023-11-19 08:05:03,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:03,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:03,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:03,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:03,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,915 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1080 [2023-11-19 08:05:03,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:03,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:03,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:03,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:03,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:03,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:04,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:04,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:04,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:04,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (1/1) ... [2023-11-19 08:05:04,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:04,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:04,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-19 08:05:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-19 08:05:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:05:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-19 08:05:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:05:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:05:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:05:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:05:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:05:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-19 08:05:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-19 08:05:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-19 08:05:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:05:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:05:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-19 08:05:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-19 08:05:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:05:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:05:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:05:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-19 08:05:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-19 08:05:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 08:05:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 08:05:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-19 08:05:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-19 08:05:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-19 08:05:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-19 08:05:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:05:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 08:05:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 08:05:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:05:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 08:05:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 08:05:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-19 08:05:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-19 08:05:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 08:05:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 08:05:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:05:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:05:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:05:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 08:05:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 08:05:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 08:05:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 08:05:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-19 08:05:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-19 08:05:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-19 08:05:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-19 08:05:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-19 08:05:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-19 08:05:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-19 08:05:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-19 08:05:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-19 08:05:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-19 08:05:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 08:05:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 08:05:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:05:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:05:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:05:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:05:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:04,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:04,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:06,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:06,667 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:06,667 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 08:05:06,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:06 BoogieIcfgContainer [2023-11-19 08:05:06,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:06,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:06,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:06,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:06,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:01" (1/3) ... [2023-11-19 08:05:06,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c27e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:06, skipping insertion in model container [2023-11-19 08:05:06,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:03" (2/3) ... [2023-11-19 08:05:06,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c27e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:06, skipping insertion in model container [2023-11-19 08:05:06,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:06" (3/3) ... [2023-11-19 08:05:06,684 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2023-11-19 08:05:06,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:06,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 08:05:06,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c27e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:06, skipping insertion in model container [2023-11-19 08:05:06,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:06,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:06,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:06,709 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:06,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:06" (3/3) ... [2023-11-19 08:05:06,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:05:06,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-11-19 08:05:06,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-19 08:05:06,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-11-19 08:05:06,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-11-19 08:05:06,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-11-19 08:05:06,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-11-19 08:05:06,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-11-19 08:05:06,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-11-19 08:05:06,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-19 08:05:06,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-11-19 08:05:06,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-11-19 08:05:06,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-11-19 08:05:06,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-11-19 08:05:06,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-11-19 08:05:06,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 08:05:06,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-11-19 08:05:06,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 08:05:06,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-11-19 08:05:06,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 150 nodes and edges [2023-11-19 08:05:06,759 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2023-11-19 08:05:06,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 08:05:06,765 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 08:05:06,768 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 08:05:06,771 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:05:07,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:05:07,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:05:07,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:07,035 INFO L158 Benchmark]: Toolchain (without parser) took 5644.89ms. Allocated memory was 195.0MB in the beginning and 266.3MB in the end (delta: 71.3MB). Free memory was 157.8MB in the beginning and 202.6MB in the end (delta: -44.7MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,035 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:07,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2266.99ms. Allocated memory is still 195.0MB. Free memory was 157.2MB in the beginning and 126.2MB in the end (delta: 31.0MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.19ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 146.2MB in the end (delta: -20.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,037 INFO L158 Benchmark]: Boogie Preprocessor took 150.36ms. Allocated memory is still 195.0MB. Free memory was 146.2MB in the beginning and 137.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,037 INFO L158 Benchmark]: RCFGBuilder took 2606.69ms. Allocated memory was 195.0MB in the beginning and 266.3MB in the end (delta: 71.3MB). Free memory was 137.9MB in the beginning and 98.6MB in the end (delta: 39.3MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,038 INFO L158 Benchmark]: TraceAbstraction took 31.10ms. Allocated memory is still 266.3MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,039 INFO L158 Benchmark]: Witness Printer took 323.90ms. Allocated memory is still 266.3MB. Free memory was 95.5MB in the beginning and 202.6MB in the end (delta: -107.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2266.99ms. Allocated memory is still 195.0MB. Free memory was 157.2MB in the beginning and 126.2MB in the end (delta: 31.0MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.19ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 146.2MB in the end (delta: -20.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.36ms. Allocated memory is still 195.0MB. Free memory was 146.2MB in the beginning and 137.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2606.69ms. Allocated memory was 195.0MB in the beginning and 266.3MB in the end (delta: 71.3MB). Free memory was 137.9MB in the beginning and 98.6MB in the end (delta: 39.3MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31.10ms. Allocated memory is still 266.3MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 323.90ms. Allocated memory is still 266.3MB. Free memory was 95.5MB in the beginning and 202.6MB in the end (delta: -107.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-19 08:05:07,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6960a3d5-0af5-4909-b2e8-426a4d05da0a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE