./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --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_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/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_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3 --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 d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:43:25,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:43:26,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 02:43:26,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:43:26,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:43:26,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:43:26,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:43:26,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:43:26,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:43:26,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:43:26,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:43:26,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:43:26,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:43:26,113 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:43:26,113 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:43:26,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:43:26,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:43:26,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:43:26,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:43:26,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:43:26,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:26,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:43:26,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:43:26,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:43:26,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:43:26,116 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_187367b4-5790-45c4-969f-17a681093efe/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 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 -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2024-11-25 02:43:26,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:43:26,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:43:26,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:43:26,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:43:26,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:43:26,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2024-11-25 02:43:29,402 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/data/5edd2b923/194d750ac50e4f44842d3bc5fb790918/FLAG86ac665f8 [2024-11-25 02:43:29,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:43:29,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2024-11-25 02:43:29,830 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/data/5edd2b923/194d750ac50e4f44842d3bc5fb790918/FLAG86ac665f8 [2024-11-25 02:43:29,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/data/5edd2b923/194d750ac50e4f44842d3bc5fb790918 [2024-11-25 02:43:29,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:43:29,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:43:29,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:29,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:43:29,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:43:29,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:29" (1/1) ... [2024-11-25 02:43:29,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152f2d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:29, skipping insertion in model container [2024-11-25 02:43:29,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:43:29" (1/1) ... [2024-11-25 02:43:30,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:43:30,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:30,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:43:30,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:43:30,497 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:43:30,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30 WrapperNode [2024-11-25 02:43:30,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:43:30,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:30,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:43:30,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:43:30,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,542 INFO L138 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 02:43:30,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:43:30,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:43:30,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:43:30,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:43:30,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:43:30,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:43:30,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:43:30,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:43:30,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:43:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:43:30,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:43:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:43:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:43:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:43:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:43:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:43:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:43:30,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:43:30,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:43:30,858 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:43:30,858 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:43:30,903 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:43:30,904 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:43:30,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:30 BoogieIcfgContainer [2024-11-25 02:43:30,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:43:30,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:43:30,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:43:30,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:43:30,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:30" (1/1) ... [2024-11-25 02:43:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:43:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:43:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:43:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:43:30,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:31,152 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 02:43:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:43:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:43:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:43:31,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:31,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:31,236 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 02:43:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:31,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 02:43:31,241 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 02:43:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:43:31,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:31,477 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 02:43:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 02:43:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 02:43:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:43:31,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:31,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:32,106 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 02:43:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-25 02:43:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-25 02:43:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:43:32,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:32,982 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 02:43:33,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 02:43:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 02:43:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:43:33,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:43:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-25 02:43:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-25 02:43:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:43:37,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:37,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:43:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-25 02:43:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-25 02:43:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:43:37,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:37,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:43:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-11-25 02:43:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-11-25 02:43:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:43:39,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:43:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-11-25 02:43:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-11-25 02:43:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:43:40,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:40,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:43:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2024-11-25 02:43:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-11-25 02:43:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:43:41,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:43:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2024-11-25 02:43:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2024-11-25 02:43:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:43:48,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:48,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:43:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2024-11-25 02:43:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2024-11-25 02:43:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:43:54,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:54,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:43:55,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2024-11-25 02:43:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2024-11-25 02:43:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:43:55,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 02:43:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 91 transitions. [2024-11-25 02:43:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2024-11-25 02:43:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:43:56,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:56,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:43:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 41 states and 84 transitions. [2024-11-25 02:43:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 84 transitions. [2024-11-25 02:43:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:43:56,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:43:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:44:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-25 02:44:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-25 02:44:05,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:44:05,434 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-25 02:44:05,442 INFO L726 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-25 02:44:06,666 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:44:06,666 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:44:06,666 INFO L77 FloydHoareUtils]: At program point L512(lines 512 518) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-25 02:44:06,667 INFO L77 FloydHoareUtils]: At program point L525-1(lines 519 532) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= (div |ULTIMATE.start_main_~length~0#1| 4294967296) 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (or (<= |ULTIMATE.start_main_~length~0#1| 2147483647) (= |ULTIMATE.start_main_~n~0#1| 1)) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|)) [2024-11-25 02:44:06,667 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:44:06,667 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 519 532) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 02:44:06,667 INFO L77 FloydHoareUtils]: At program point L517(line 517) the Hoare annotation is: (let ((.cse5 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (select |#length| |ULTIMATE.start_cbzero_#t~post3#1.base|)) (.cse1 (= (select |#valid| |ULTIMATE.start_cbzero_#t~post3#1.base|) 1)) (.cse4 (* 4294967295 .cse5)) (.cse2 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (let ((.cse3 (= |ULTIMATE.start_cbzero_~length#1| 0))) (and (= |ULTIMATE.start_cbzero_#t~post3#1.offset| 0) (<= 1 .cse0) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse1 (= |ULTIMATE.start_cbzero_#t~post3#1.base| |ULTIMATE.start_cbzero_~p~0#1.base|) .cse2 (or .cse3 (and (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ .cse4 |ULTIMATE.start_cbzero_~p~0#1.offset| 2147483646) 4294967296)) 2147483646) (<= 1 |ULTIMATE.start_cbzero_~length#1|))) (or .cse3 (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| 1) .cse5)))) (and (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| (* 4294967295 .cse0) 2147483646) 4294967296) |ULTIMATE.start_cbzero_~p~0#1.offset| .cse0) (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| .cse5 2147483646)) (<= (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| 1) .cse0) (<= 1 |ULTIMATE.start_cbzero_#t~post3#1.offset|) .cse1 (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ 2147483645 .cse4 |ULTIMATE.start_cbzero_~p~0#1.offset|) 4294967296)) 2147483645) .cse2 (<= 0 |ULTIMATE.start_cbzero_~length#1|) (<= 2 |ULTIMATE.start_cbzero_~p~0#1.offset|))))) [2024-11-25 02:44:06,668 INFO L77 FloydHoareUtils]: At program point L517-1(lines 516 517) the Hoare annotation is: (let ((.cse5 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse3 (* 4294967295 .cse5)) (.cse4 (<= 1 |ULTIMATE.start_cbzero_~length#1|)) (.cse1 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (let ((.cse2 (= |ULTIMATE.start_cbzero_~length#1| 0))) (and .cse0 (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse1 (or .cse2 (and (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ .cse3 |ULTIMATE.start_cbzero_~p~0#1.offset| 2147483646) 4294967296)) 2147483646) .cse4)) (or .cse2 (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| 1) .cse5)))) (and .cse0 (or (= |ULTIMATE.start_cbzero_~length#1| 1) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ .cse3 2147483647) 4294967296)) 2147483647)) (<= 1 .cse5) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) .cse4 .cse1)))) [2024-11-25 02:44:06,668 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:44:06,668 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 519 532) no Hoare annotation was computed. [2024-11-25 02:44:06,668 INFO L77 FloydHoareUtils]: At program point L516-1(lines 516 517) the Hoare annotation is: (let ((.cse5 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse1 (* 4294967295 .cse5)) (.cse4 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (let ((.cse3 (mod |ULTIMATE.start_cbzero_#t~post2#1| 4294967296))) (let ((.cse2 (<= .cse3 0))) (and .cse0 (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) (or (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ .cse1 |ULTIMATE.start_cbzero_~p~0#1.offset| 2147483646) 4294967296)) 2147483645) .cse2) (or (< .cse3 1) (< |ULTIMATE.start_cbzero_#t~post2#1| (+ |ULTIMATE.start_cbzero_~length#1| 2))) .cse4 (or .cse2 (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| 1) .cse5)) (<= 0 |ULTIMATE.start_cbzero_#t~post2#1|)))) (and .cse0 (<= 1 .cse5) (<= (div |ULTIMATE.start_cbzero_#t~post2#1| 4294967296) 0) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) (or (= |ULTIMATE.start_cbzero_~length#1| 0) (and (<= 1 |ULTIMATE.start_cbzero_~length#1|) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ .cse1 2147483647) 4294967296)) 2147483646))) (<= 1 |ULTIMATE.start_cbzero_#t~post2#1|) .cse4)))) [2024-11-25 02:44:06,675 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 02:44:06,676 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 02:44:06,678 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 02:44:06,678 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-25 02:44:06,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-25 02:44:06,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-25 02:44:06,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 02:44:06,680 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 02:44:06,681 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-25 02:44:06,682 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-25 02:44:06,683 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 02:44:06,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:44:06 ImpRootNode [2024-11-25 02:44:06,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:44:06,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:44:06,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:44:06,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:44:06,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:43:30" (3/4) ... [2024-11-25 02:44:06,690 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:44:06,695 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 02:44:06,696 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:44:06,696 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:44:06,696 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:44:06,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:44:06,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:44:06,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:44:06,772 INFO L158 Benchmark]: Toolchain (without parser) took 36789.28ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 92.6MB in the beginning and 289.2MB in the end (delta: -196.6MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-25 02:44:06,772 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:06,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.69ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:44:06,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:06,774 INFO L158 Benchmark]: Boogie Preprocessor took 30.68ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.1MB in the end (delta: 723.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:06,775 INFO L158 Benchmark]: RCFGBuilder took 328.78ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 61.1MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:44:06,775 INFO L158 Benchmark]: CodeCheck took 35780.64ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 61.1MB in the beginning and 293.8MB in the end (delta: -232.7MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2024-11-25 02:44:06,776 INFO L158 Benchmark]: Witness Printer took 84.10ms. Allocated memory is still 335.5MB. Free memory was 293.8MB in the beginning and 289.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:44:06,777 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 34.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 433 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3028 IncrementalHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 159 mSDtfsCounter, 3028 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1598 GetRequests, 1321 SyntacticMatches, 25 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25584 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 1274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 42/89 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: 519]: 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 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((length == 0) || (1 <= length)) || (1 <= length)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.69ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.87ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.68ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.1MB in the end (delta: 723.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.78ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 61.1MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 35780.64ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 61.1MB in the beginning and 293.8MB in the end (delta: -232.7MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. * Witness Printer took 84.10ms. Allocated memory is still 335.5MB. Free memory was 293.8MB in the beginning and 289.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-11-25 02:44:06,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187367b4-5790-45c4-969f-17a681093efe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE