./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/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_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 02:03:03,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:03,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:03:03,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:03:03,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:03:03,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:03,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:03,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:03,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:03,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:03,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:03,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:03,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:03:03,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:03:03,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:03:03,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:03,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:03,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:03,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:03,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:03,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:03,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:03,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:03,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:03,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:03,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:03,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:03:03,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:03:03,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:03:03,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:03,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:03,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:03,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:03,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:03,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i [2024-11-25 02:03:07,613 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/data/6781d62e0/3aebf974f7584480a744669bc2a1aa85/FLAGcb8460d8f [2024-11-25 02:03:08,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:08,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i [2024-11-25 02:03:08,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/data/6781d62e0/3aebf974f7584480a744669bc2a1aa85/FLAGcb8460d8f [2024-11-25 02:03:08,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/data/6781d62e0/3aebf974f7584480a744669bc2a1aa85 [2024-11-25 02:03:08,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:08,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:08,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:08,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:08,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:08,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d9a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08, skipping insertion in model container [2024-11-25 02:03:08,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:08,374 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_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2024-11-25 02:03:08,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:08,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:08,427 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_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/sv-benchmarks/c/ldv-regression/mutex_lock_struct.c_1.i[299,312] [2024-11-25 02:03:08,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:08,457 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:08,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08 WrapperNode [2024-11-25 02:03:08,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:08,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:08,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:08,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:08,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,503 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-11-25 02:03:08,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:08,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:08,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:08,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:08,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:08,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:08,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:08,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:08,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:08,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:08,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure err [2024-11-25 02:03:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:03:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:03:08,727 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:08,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:08,855 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:08,855 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:08,909 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:08,909 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:03:08,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:08 BoogieIcfgContainer [2024-11-25 02:03:08,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:08,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:08,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:08,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:08,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:08" (1/1) ... [2024-11-25 02:03:08,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:03:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:03:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:03:09,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:09,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-25 02:03:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-25 02:03:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:03:09,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:09,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-25 02:03:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-25 02:03:10,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:03:10,014 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 02:03:10,033 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:03:10,073 INFO L75 FloydHoareUtils]: For program point errErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-25 02:03:10,073 INFO L75 FloydHoareUtils]: For program point ERROR(lines 14 15) no Hoare annotation was computed. [2024-11-25 02:03:10,073 INFO L75 FloydHoareUtils]: For program point errEXIT(lines 14 15) no Hoare annotation was computed. [2024-11-25 02:03:10,073 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:03:10,074 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (= |ULTIMATE.start_mutex_unlock_#t~mem5#1| 1) [2024-11-25 02:03:10,075 INFO L75 FloydHoareUtils]: For program point L29-1(line 29) no Hoare annotation was computed. [2024-11-25 02:03:10,075 INFO L77 FloydHoareUtils]: At program point L29-3(line 29) the Hoare annotation is: true [2024-11-25 02:03:10,075 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)) [2024-11-25 02:03:10,075 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-11-25 02:03:10,076 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|)) [2024-11-25 02:03:10,076 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:03:10,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:03:10 ImpRootNode [2024-11-25 02:03:10,092 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:03:10,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:03:10,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:03:10,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:03:10,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:08" (3/4) ... [2024-11-25 02:03:10,098 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:03:10,103 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2024-11-25 02:03:10,110 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-25 02:03:10,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:03:10,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:03:10,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:03:10,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:03:10,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:03:10,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:03:10,227 INFO L158 Benchmark]: Toolchain (without parser) took 2108.64ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 45.6MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 02:03:10,230 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:10,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.45ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:10,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.45ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:10,231 INFO L158 Benchmark]: Boogie Preprocessor took 41.03ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 92.2MB in the end (delta: 970.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:10,232 INFO L158 Benchmark]: RCFGBuilder took 363.25ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 81.4MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:03:10,232 INFO L158 Benchmark]: CodeCheck took 1180.92ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 50.0MB in the end (delta: 31.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:03:10,233 INFO L158 Benchmark]: Witness Printer took 131.73ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 45.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:10,237 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: 1.1s, 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, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s 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, ConComCheckerStatistics: 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 0.91ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.45ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.45ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.03ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 92.2MB in the end (delta: 970.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.25ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 81.4MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1180.92ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 50.0MB in the end (delta: 31.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 131.73ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 45.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:03:10,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba04cbe-6ac3-4b3e-84db-e3bc171dbc77/bin/ukojak-verify-ENZ3QT5qd3/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