./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3dcd2558e22d4d1b628613d50eb3ab943d89de0514f54496f8c445070b9e01 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:43:47,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:43:48,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:43:48,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:43:48,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:43:48,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:43:48,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:43:48,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:43:48,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:43:48,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:43:48,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:43:48,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:43:48,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:43:48,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:43:48,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:43:48,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:43:48,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:43:48,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:43:48,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:43:48,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:43:48,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:43:48,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:43:48,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:43:48,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:43:48,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:43:48,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:43:48,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:43:48,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:48,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:43:48,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:43:48,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:43:48,153 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:43:48,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:43:48,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3dcd2558e22d4d1b628613d50eb3ab943d89de0514f54496f8c445070b9e01 [2024-11-08 19:43:48,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:43:48,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:43:48,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:43:48,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:43:48,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:43:48,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i Unable to find full path for "g++" [2024-11-08 19:43:50,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:43:51,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:43:51,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i [2024-11-08 19:43:51,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/data/ce2dc3bc5/0d913fd7290c45e4bc3d646c5d1342a9/FLAGe0f503e12 [2024-11-08 19:43:51,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/data/ce2dc3bc5/0d913fd7290c45e4bc3d646c5d1342a9 [2024-11-08 19:43:51,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:43:51,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:43:51,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:51,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:43:51,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:43:51,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51, skipping insertion in model container [2024-11-08 19:43:51,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:43:51,298 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_ac29771e-49e5-4080-84ee-b5a8768f8209/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2024-11-08 19:43:51,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:51,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:43:51,366 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_ac29771e-49e5-4080-84ee-b5a8768f8209/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2024-11-08 19:43:51,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:51,406 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:43:51,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51 WrapperNode [2024-11-08 19:43:51,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:51,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:51,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:43:51,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:43:51,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,465 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-11-08 19:43:51,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:51,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:43:51,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:43:51,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:43:51,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:43:51,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:43:51,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:43:51,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:43:51,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:51,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:43:51,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:43:51,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:43:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:43:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure err [2024-11-08 19:43:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2024-11-08 19:43:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:43:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:43:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:43:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:43:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:43:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:43:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:43:51,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:43:51,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:43:51,764 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-08 19:43:51,765 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:43:51,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:43:51,826 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:43:51,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:51 BoogieIcfgContainer [2024-11-08 19:43:51,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:43:51,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:43:51,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:43:51,842 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:43:51,843 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:51" (1/1) ... [2024-11-08 19:43:51,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:43:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 19:43:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 19:43:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:43:51,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-08 19:43:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-08 19:43:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:43:52,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-08 19:43:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-08 19:43:52,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:43:52,742 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 19:43:52,752 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:43:52,783 INFO L75 FloydHoareUtils]: For program point errErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-08 19:43:52,784 INFO L75 FloydHoareUtils]: For program point ERROR(lines 14 15) no Hoare annotation was computed. [2024-11-08 19:43:52,784 INFO L75 FloydHoareUtils]: For program point errEXIT(lines 14 15) no Hoare annotation was computed. [2024-11-08 19:43:52,784 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:43:52,784 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (= |ULTIMATE.start_mutex_unlock_#t~mem5#1| 1) [2024-11-08 19:43:52,785 INFO L75 FloydHoareUtils]: For program point L29-1(line 29) no Hoare annotation was computed. [2024-11-08 19:43:52,785 INFO L77 FloydHoareUtils]: At program point L29-3(line 29) the Hoare annotation is: true [2024-11-08 19:43:52,785 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#m~0#1.offset| |ULTIMATE.start_mutex_lock_~a#1.offset|) (= |ULTIMATE.start_mutex_lock_~a#1.base| |ULTIMATE.start_main_~#m~0#1.base|) (= |ULTIMATE.start_mutex_lock_#t~mem4#1| 0)) [2024-11-08 19:43:52,785 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-11-08 19:43:52,786 INFO L77 FloydHoareUtils]: At program point L23-3(line 23) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#m~0#1.offset| |ULTIMATE.start_mutex_lock_~a#1.offset|) (= |ULTIMATE.start_mutex_lock_~a#1.base| |ULTIMATE.start_main_~#m~0#1.base|)) [2024-11-08 19:43:52,786 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:43:52,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:43:52 ImpRootNode [2024-11-08 19:43:52,796 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:43:52,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:43:52,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:43:52,798 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:43:52,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:51" (3/4) ... [2024-11-08 19:43:52,801 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:43:52,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2024-11-08 19:43:52,810 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-08 19:43:52,810 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 19:43:52,814 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:43:52,814 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 19:43:52,898 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:43:52,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:43:52,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:43:52,900 INFO L158 Benchmark]: Toolchain (without parser) took 1856.27ms. Allocated memory is still 148.9MB. Free memory was 85.6MB in the beginning and 67.1MB in the end (delta: 18.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,900 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 148.9MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:43:52,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 120.2MB in the end (delta: -35.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.25ms. Allocated memory is still 148.9MB. Free memory was 120.2MB in the beginning and 118.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,901 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 118.1MB in the end (delta: 624.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:43:52,902 INFO L158 Benchmark]: RCFGBuilder took 335.01ms. Allocated memory is still 148.9MB. Free memory was 118.1MB in the beginning and 105.5MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,902 INFO L158 Benchmark]: CodeCheck took 966.96ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 71.3MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,903 INFO L158 Benchmark]: Witness Printer took 101.97ms. Allocated memory is still 148.9MB. Free memory was 71.3MB in the beginning and 67.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 9 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 148.9MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 120.2MB in the end (delta: -35.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.25ms. Allocated memory is still 148.9MB. Free memory was 120.2MB in the beginning and 118.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 118.1MB in the end (delta: 624.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.01ms. Allocated memory is still 148.9MB. Free memory was 118.1MB in the beginning and 105.5MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 966.96ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 71.3MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 101.97ms. Allocated memory is still 148.9MB. Free memory was 71.3MB in the beginning and 67.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:43:52,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac29771e-49e5-4080-84ee-b5a8768f8209/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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