./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/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_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efd89e7b390064d688e1eebb599a77ec99587f4751caf8bf660f2bf53e476dd2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:53:47,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:53:48,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 22:53:48,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:53:48,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:53:48,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:53:48,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:53:48,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:53:48,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:53:48,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:53:48,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:53:48,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:53:48,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:53:48,059 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:53:48,059 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:53:48,060 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:53:48,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:53:48,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:53:48,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:53:48,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:53:48,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:53:48,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:53:48,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:53:48,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:53:48,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:53:48,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:48,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:53:48,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:53:48,067 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:53:48,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:53:48,067 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_4f32de28-54be-4239-b442-73b93ce11f9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd89e7b390064d688e1eebb599a77ec99587f4751caf8bf660f2bf53e476dd2 [2024-11-08 22:53:48,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:53:48,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:53:48,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:53:48,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:53:48,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:53:48,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.c Unable to find full path for "g++" [2024-11-08 22:53:50,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:53:50,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:53:50,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/sv-benchmarks/c/ldv-memsafety/memsetNonZero.c [2024-11-08 22:53:50,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/data/500093057/94b2f2e8c76d4ada99ee4a1e2aabd9b0/FLAG35bf6989a [2024-11-08 22:53:50,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/data/500093057/94b2f2e8c76d4ada99ee4a1e2aabd9b0 [2024-11-08 22:53:50,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:53:50,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:53:50,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:50,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:53:50,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:53:50,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:50" (1/1) ... [2024-11-08 22:53:50,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161317cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:50, skipping insertion in model container [2024-11-08 22:53:50,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:50" (1/1) ... [2024-11-08 22:53:51,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:53:51,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:51,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:53:51,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:51,237 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:53:51,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51 WrapperNode [2024-11-08 22:53:51,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:51,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:51,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:53:51,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:53:51,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,269 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16 [2024-11-08 22:53:51,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:51,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:53:51,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:53:51,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:53:51,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:53:51,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:53:51,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:53:51,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:53:51,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:51,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:53:51,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:53:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:53:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:53:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:53:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:53:51,447 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:53:51,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:53:51,629 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:53:51,629 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:53:51,661 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:53:51,663 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:53:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:51 BoogieIcfgContainer [2024-11-08 22:53:51,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:53:51,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:53:51,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:53:51,677 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:53:51,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:51" (1/1) ... [2024-11-08 22:53:51,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 22:53:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 22:53:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:53:51,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,959 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 22:53:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-08 22:53:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-08 22:53:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:53:52,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,185 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 22:53:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-08 22:53:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-08 22:53:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:53:52,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,584 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 22:53:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:52,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:53:52,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:53:52,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:53:52,913 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 22:53:52,924 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-08 22:53:52,956 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:53:52,956 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 22:53:52,957 INFO L77 FloydHoareUtils]: At program point L-1-1(line -1) the Hoare annotation is: (and (= |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 0) (= (select |#valid| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) 1) (= |ULTIMATE.start_#Ultimate.C_memset_#amount#1| 80) (= (select |#length| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) 80) (= (store |#valid| |ULTIMATE.start_main_~#cstats~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-11-08 22:53:52,957 INFO L77 FloydHoareUtils]: At program point L-1-2(line -1) the Hoare annotation is: (and (= |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 0) (= |ULTIMATE.start_#Ultimate.C_memset_#amount#1| 80) (= (select |#length| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) 80) (= (store |#valid| |ULTIMATE.start_main_~#cstats~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-11-08 22:53:52,957 INFO L77 FloydHoareUtils]: At program point L-1-4(line -1) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_~#cstats~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-08 22:53:52,957 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 22:53:52,957 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 25 29) no Hoare annotation was computed. [2024-11-08 22:53:52,961 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:53:52,961 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 25 29) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 22:53:52,971 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 22:53:52,972 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-08 22:53:52,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:53:52 ImpRootNode [2024-11-08 22:53:52,976 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:53:52,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:53:52,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:53:52,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:53:52,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:51" (3/4) ... [2024-11-08 22:53:52,981 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:53:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 22:53:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 22:53:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:53:52,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:53:53,083 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:53:53,083 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:53:53,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:53:53,087 INFO L158 Benchmark]: Toolchain (without parser) took 2102.37ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 88.0MB in the beginning and 88.7MB in the end (delta: -700.4kB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,091 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:53:53,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.69ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 76.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.18ms. Allocated memory is still 130.0MB. Free memory was 76.2MB in the beginning and 74.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,092 INFO L158 Benchmark]: Boogie Preprocessor took 19.90ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:53:53,093 INFO L158 Benchmark]: RCFGBuilder took 373.81ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 141.0MB in the end (delta: -67.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,093 INFO L158 Benchmark]: CodeCheck took 1311.42ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 92.9MB in the end (delta: 48.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,094 INFO L158 Benchmark]: Witness Printer took 105.87ms. Allocated memory is still 172.0MB. Free memory was 92.9MB in the beginning and 88.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:53:53,096 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 1 procedures, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 0 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.69ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 76.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.18ms. Allocated memory is still 130.0MB. Free memory was 76.2MB in the beginning and 74.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.90ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.81ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 141.0MB in the end (delta: -67.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 1311.42ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 92.9MB in the end (delta: 48.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 105.87ms. Allocated memory is still 172.0MB. Free memory was 92.9MB in the beginning and 88.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid RESULT: Ultimate proved your program to be correct! [2024-11-08 22:53:53,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f32de28-54be-4239-b442-73b93ce11f9b/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