./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:02:15,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:02:15,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:02:15,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:02:15,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:02:15,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:02:15,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:02:15,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:02:15,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:02:15,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:02:15,630 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:02:15,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:02:15,631 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:02:15,631 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:02:15,631 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:02:15,632 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:02:15,632 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:02:15,632 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:02:15,633 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:02:15,633 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:02:15,633 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:02:15,633 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:02:15,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:02:15,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:02:15,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:02:15,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:02:15,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:02:15,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:02:15,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:02:15,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:02:15,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:02:15,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:02:15,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:02:15,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:02:15,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:02:15,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:02:15,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:02:15,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:02:15,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:15,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:02:15,638 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2024-11-14 05:02:16,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:02:16,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:02:16,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:02:16,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:02:16,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:02:16,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i Unable to find full path for "g++" [2024-11-14 05:02:17,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:02:18,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:02:18,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2024-11-14 05:02:18,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/data/e9bf2016a/2eeb4bfca0564204969ca727f05fe458/FLAG6043e0828 [2024-11-14 05:02:18,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/data/e9bf2016a/2eeb4bfca0564204969ca727f05fe458 [2024-11-14 05:02:18,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:02:18,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:02:18,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:18,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:02:18,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:02:18,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:18" (1/1) ... [2024-11-14 05:02:18,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6602d377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:18, skipping insertion in model container [2024-11-14 05:02:18,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:18" (1/1) ... [2024-11-14 05:02:18,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:02:19,013 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_27c19297-414c-4a45-9386-b9b0d8548969/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2024-11-14 05:02:20,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:20,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:02:20,390 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_27c19297-414c-4a45-9386-b9b0d8548969/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2024-11-14 05:02:20,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:20,919 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:02:20,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20 WrapperNode [2024-11-14 05:02:20,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:20,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:20,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:02:20,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:02:20,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,271 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 3380 [2024-11-14 05:02:21,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:21,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:02:21,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:02:21,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:02:21,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:02:21,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:02:21,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:02:21,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:02:21,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (1/1) ... [2024-11-14 05:02:21,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:21,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:21,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:02:21,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-14 05:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-14 05:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-14 05:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 05:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 05:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 05:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 05:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-14 05:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-14 05:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-14 05:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:02:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-14 05:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-14 05:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-14 05:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-14 05:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-14 05:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-14 05:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-14 05:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-14 05:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-14 05:02:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-14 05:02:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-14 05:02:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-14 05:02:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-14 05:02:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 05:02:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 05:02:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:02:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:02:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:02:21,997 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:02:22,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:02:27,618 INFO L? ?]: Removed 434 outVars from TransFormulas that were not future-live. [2024-11-14 05:02:27,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:02:28,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:02:28,403 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 05:02:28,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:28 BoogieIcfgContainer [2024-11-14 05:02:28,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:02:28,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:02:28,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:02:28,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:02:28,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:18" (1/3) ... [2024-11-14 05:02:28,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706bc218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:28, skipping insertion in model container [2024-11-14 05:02:28,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:20" (2/3) ... [2024-11-14 05:02:28,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706bc218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:28, skipping insertion in model container [2024-11-14 05:02:28,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:28" (3/3) ... [2024-11-14 05:02:28,417 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2024-11-14 05:02:28,435 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:02:28,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ddv_machzwd_pthread_mutex_unlock.i that has 29 procedures, 267 locations, 1 initial locations, 4 loop locations, and 0 error locations. [2024-11-14 05:02:28,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706bc218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:02:28, skipping insertion in model container [2024-11-14 05:02:28,440 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:02:28,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:02:28,441 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:02:28,441 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:02:28,442 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:28" (3/3) ... [2024-11-14 05:02:28,445 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:02:28,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2024-11-14 05:02:28,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-14 05:02:28,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2024-11-14 05:02:28,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2024-11-14 05:02:28,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2024-11-14 05:02:28,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-14 05:02:28,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2024-11-14 05:02:28,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:02:28,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2024-11-14 05:02:28,503 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 247 nodes and edges [2024-11-14 05:02:28,508 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2024-11-14 05:02:28,512 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-14 05:02:28,517 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 05:02:28,522 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 05:02:28,530 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:02:28,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:02:28,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:02:28,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:02:28,855 INFO L158 Benchmark]: Toolchain (without parser) took 10138.54ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 115.1MB in the beginning and 59.0MB in the end (delta: 56.2MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,855 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:28,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2204.55ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 64.0MB in the end (delta: 50.8MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 349.79ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 87.4MB in the end (delta: -23.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,857 INFO L158 Benchmark]: Boogie Preprocessor took 178.66ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 68.8MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,858 INFO L158 Benchmark]: RCFGBuilder took 6947.69ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 68.8MB in the beginning and 103.6MB in the end (delta: -34.8MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,858 INFO L158 Benchmark]: TraceAbstraction took 32.02ms. Allocated memory is still 251.7MB. Free memory was 103.6MB in the beginning and 100.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:28,859 INFO L158 Benchmark]: Witness Printer took 412.04ms. Allocated memory is still 251.7MB. Free memory was 100.8MB in the beginning and 59.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 05:02:28,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2204.55ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 64.0MB in the end (delta: 50.8MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 349.79ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 87.4MB in the end (delta: -23.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.66ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 68.8MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6947.69ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 68.8MB in the beginning and 103.6MB in the end (delta: -34.8MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32.02ms. Allocated memory is still 251.7MB. Free memory was 103.6MB in the beginning and 100.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 412.04ms. Allocated memory is still 251.7MB. Free memory was 100.8MB in the beginning and 59.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. 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! [2024-11-14 05:02:28,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c19297-414c-4a45-9386-b9b0d8548969/bin/utaipan-verify-sOmjnqqW8E/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