./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/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_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/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_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/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 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:15,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:15,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:55:15,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:15,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:15,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:15,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:15,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:15,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:15,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:15,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:15,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:15,528 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:15,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:15,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:15,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:15,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:15,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:15,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:15,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:15,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:15,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:15,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:15,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:15,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:15,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:15,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:15,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:15,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:15,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:15,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:15,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:15,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:15,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:15,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:15,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:15,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:15,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:15,543 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:15,544 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_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2023-11-19 07:55:15,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:15,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:15,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:15,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:15,971 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:15,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2023-11-19 07:55:19,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:19,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:19,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2023-11-19 07:55:19,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/data/ed5d09974/ac47e52b8e724b588e8c145da5d2d44b/FLAGed9a48484 [2023-11-19 07:55:19,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/data/ed5d09974/ac47e52b8e724b588e8c145da5d2d44b [2023-11-19 07:55:19,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:19,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:19,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:19,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:19,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:19,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:19" (1/1) ... [2023-11-19 07:55:19,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b43b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:19, skipping insertion in model container [2023-11-19 07:55:19,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:19" (1/1) ... [2023-11-19 07:55:19,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:20,008 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_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2023-11-19 07:55:21,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:21,300 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:21,314 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_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2023-11-19 07:55:21,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:21,790 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:55:21,800 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:21,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21 WrapperNode [2023-11-19 07:55:21,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:21,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:21,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:21,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:21,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:21,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,011 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1080 [2023-11-19 07:55:22,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:22,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:22,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:22,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:22,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:22,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:22,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:22,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:22,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (1/1) ... [2023-11-19 07:55:22,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:22,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:22,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-19 07:55:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-19 07:55:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:55:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-19 07:55:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:55:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:55:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:55:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:55:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:55:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-19 07:55:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-19 07:55:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-19 07:55:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:55:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:55:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-19 07:55:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-19 07:55:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:55:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:55:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:55:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-19 07:55:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-19 07:55:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 07:55:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 07:55:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-19 07:55:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-19 07:55:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-19 07:55:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-19 07:55:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:55:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:55:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:55:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:55:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:55:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:55:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 07:55:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 07:55:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-19 07:55:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-19 07:55:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:55:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:55:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:55:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:55:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:55:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 07:55:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 07:55:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:55:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:55:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-19 07:55:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-19 07:55:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-19 07:55:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-19 07:55:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-19 07:55:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-19 07:55:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-19 07:55:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-19 07:55:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-19 07:55:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-19 07:55:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:55:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:55:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:55:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:55:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:55:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:55:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:22,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:22,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:24,747 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:24,769 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:24,769 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:55:24,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:24 BoogieIcfgContainer [2023-11-19 07:55:24,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:24,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:24,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:24,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:24,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:19" (1/3) ... [2023-11-19 07:55:24,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473e4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:24, skipping insertion in model container [2023-11-19 07:55:24,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:21" (2/3) ... [2023-11-19 07:55:24,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473e4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:24, skipping insertion in model container [2023-11-19 07:55:24,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:24" (3/3) ... [2023-11-19 07:55:24,796 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2023-11-19 07:55:24,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:24,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 07:55:24,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473e4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:24, skipping insertion in model container [2023-11-19 07:55:24,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:55:24,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:24,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:24,824 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:24,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:24" (3/3) ... [2023-11-19 07:55:24,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:55:24,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-11-19 07:55:24,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-19 07:55:24,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-11-19 07:55:24,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-11-19 07:55:24,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-11-19 07:55:24,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-19 07:55:24,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-11-19 07:55:24,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-19 07:55:24,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-11-19 07:55:24,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-11-19 07:55:24,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-11-19 07:55:24,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-11-19 07:55:24,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-11-19 07:55:24,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:55:24,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-11-19 07:55:24,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:55:24,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-11-19 07:55:24,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 150 nodes and edges [2023-11-19 07:55:24,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2023-11-19 07:55:24,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 07:55:24,880 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:55:24,882 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 07:55:24,885 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:55:25,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:55:25,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:55:25,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:25,165 INFO L158 Benchmark]: Toolchain (without parser) took 5471.46ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 135.1MB in the beginning and 73.8MB in the end (delta: 61.3MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,165 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 134.2MB. Free memory was 108.9MB in the beginning and 108.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:25,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2107.21ms. Allocated memory is still 165.7MB. Free memory was 134.4MB in the beginning and 91.4MB in the end (delta: 43.0MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.31ms. Allocated memory is still 165.7MB. Free memory was 91.4MB in the beginning and 82.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,167 INFO L158 Benchmark]: Boogie Preprocessor took 104.60ms. Allocated memory is still 165.7MB. Free memory was 82.1MB in the beginning and 73.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,168 INFO L158 Benchmark]: RCFGBuilder took 2663.68ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 73.8MB in the beginning and 99.0MB in the end (delta: -25.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,168 INFO L158 Benchmark]: TraceAbstraction took 36.34ms. Allocated memory is still 220.2MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,169 INFO L158 Benchmark]: Witness Printer took 339.88ms. Allocated memory is still 220.2MB. Free memory was 95.8MB in the beginning and 73.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:55:25,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 134.2MB. Free memory was 108.9MB in the beginning and 108.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2107.21ms. Allocated memory is still 165.7MB. Free memory was 134.4MB in the beginning and 91.4MB in the end (delta: 43.0MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.31ms. Allocated memory is still 165.7MB. Free memory was 91.4MB in the beginning and 82.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.60ms. Allocated memory is still 165.7MB. Free memory was 82.1MB in the beginning and 73.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2663.68ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 73.8MB in the beginning and 99.0MB in the end (delta: -25.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36.34ms. Allocated memory is still 220.2MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 339.88ms. Allocated memory is still 220.2MB. Free memory was 95.8MB in the beginning and 73.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. 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 07:55:25,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab7f7e6e-4b71-428e-8eac-76bedc1a5bbf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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