./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b --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 6c425285de916f5b42953c25151c39a4c727f5e6c15942a1f84cb765e683b1f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:49:24,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:49:24,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:49:24,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:49:24,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:49:24,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:49:24,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:49:24,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:49:24,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:49:24,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:49:24,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:49:24,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:49:24,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:49:24,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:49:24,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:24,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:49:24,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:49:24,873 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_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b 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 -> 6c425285de916f5b42953c25151c39a4c727f5e6c15942a1f84cb765e683b1f9 [2024-12-06 04:49:25,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:49:25,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:49:25,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:49:25,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:49:25,090 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:49:25,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c [2024-12-06 04:49:27,691 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/data/7508440d4/5324197f05c44029b2269f50090ec3c0/FLAG2888ce9cb [2024-12-06 04:49:27,900 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:49:27,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c [2024-12-06 04:49:27,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/data/7508440d4/5324197f05c44029b2269f50090ec3c0/FLAG2888ce9cb [2024-12-06 04:49:28,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/data/7508440d4/5324197f05c44029b2269f50090ec3c0 [2024-12-06 04:49:28,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:49:28,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:49:28,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:28,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:49:28,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:49:28,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb84e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28, skipping insertion in model container [2024-12-06 04:49:28,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:49:28,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:28,394 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:49:28,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:28,415 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:49:28,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28 WrapperNode [2024-12-06 04:49:28,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:28,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:28,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:49:28,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:49:28,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,438 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16 [2024-12-06 04:49:28,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:28,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:49:28,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:49:28,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:49:28,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:49:28,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:49:28,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:49:28,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:49:28,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:28,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:49:28,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:49:28,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:49:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:49:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:49:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:49:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:49:28,544 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:49:28,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:49:28,628 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 04:49:28,628 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:28,649 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:49:28,649 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:49:28,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:28 BoogieIcfgContainer [2024-12-06 04:49:28,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:49:28,650 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:49:28,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:49:28,657 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:49:28,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:28" (1/1) ... [2024-12-06 04:49:28,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:49:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 04:49:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 04:49:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:49:28,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:49:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:49:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-06 04:49:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-06 04:49:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:49:28,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:28,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:49:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:49:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-06 04:49:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-06 04:49:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:49:29,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:49:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:49:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 04:49:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 04:49:29,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:49:29,436 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 04:49:29,444 INFO L726 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-12-06 04:49:29,467 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:49:29,467 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:49:29,468 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| (select |#length| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|)) (= (store |#valid| |ULTIMATE.start_main_~#cstats~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 04:49:29,468 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| (select |#length| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|)) (= (store |#valid| |ULTIMATE.start_main_~#cstats~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 04:49:29,468 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|) [2024-12-06 04:49:29,468 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:49:29,468 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 20 24) no Hoare annotation was computed. [2024-12-06 04:49:29,468 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:49:29,468 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 20 24) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 04:49:29,473 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:49:29,473 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:49:29,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:49:29 ImpRootNode [2024-12-06 04:49:29,475 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:49:29,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:49:29,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:49:29,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:49:29,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:28" (3/4) ... [2024-12-06 04:49:29,479 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:49:29,483 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 04:49:29,483 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 04:49:29,483 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 04:49:29,484 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 04:49:29,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:49:29,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:49:29,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:49:29,538 INFO L158 Benchmark]: Toolchain (without parser) took 1261.76ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 112.6MB in the end (delta: 5.0MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-12-06 04:49:29,538 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:29,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.74ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:29,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.27ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:29,539 INFO L158 Benchmark]: Boogie Preprocessor took 13.25ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 604.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:29,540 INFO L158 Benchmark]: RCFGBuilder took 196.80ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.3MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:49:29,540 INFO L158 Benchmark]: CodeCheck took 825.23ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 54.3MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:49:29,541 INFO L158 Benchmark]: Witness Printer took 61.26ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 112.6MB in the end (delta: -58.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 04:49:29,543 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: 0.8s, 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, 0.1s 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, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 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, ConComCheckerStatistics: 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: 20]: 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 0.33ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.74ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.27ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.25ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.8MB in the end (delta: 604.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 196.80ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.3MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 825.23ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 54.3MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 61.26ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 112.6MB in the end (delta: -58.3MB). Peak memory consumption was 3.5MB. 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! [2024-12-06 04:49:29,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb94cc25-0e3d-4e19-8811-9fda1dca99a8/bin/ukojak-verify-CZk0znPC7b/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