./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/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_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/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 64bit --witnessprinter.graph.data.programhash 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:28:58,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:28:58,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 04:28:58,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:28:58,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:28:58,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:28:58,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:28:58,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:28:58,362 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:28:58,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:28:58,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:28:58,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:28:58,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:28:58,364 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_8e6e9568-181e-400b-8912-7cb4542828ea/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2024-12-06 04:28:58,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:28:58,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:28:58,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:28:58,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:28:58,616 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:28:58,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2024-12-06 04:29:01,253 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/data/45119dcde/61edfc980afb49beabb944fc259a01ba/FLAG492a7f646 [2024-12-06 04:29:01,477 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:29:01,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2024-12-06 04:29:01,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/data/45119dcde/61edfc980afb49beabb944fc259a01ba/FLAG492a7f646 [2024-12-06 04:29:01,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/data/45119dcde/61edfc980afb49beabb944fc259a01ba [2024-12-06 04:29:01,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:29:01,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:29:01,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:29:01,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:29:01,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:29:01,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:29:01" (1/1) ... [2024-12-06 04:29:01,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7566704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:01, skipping insertion in model container [2024-12-06 04:29:01,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:29:01" (1/1) ... [2024-12-06 04:29:01,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:29:02,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:29:02,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:29:02,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:29:02,070 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:29:02,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02 WrapperNode [2024-12-06 04:29:02,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:29:02,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:29:02,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:29:02,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:29:02,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,099 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-06 04:29:02,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:29:02,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:29:02,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:29:02,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:29:02,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:29:02,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:29:02,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:29:02,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:29:02,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:29:02,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:29:02,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:29:02,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:29:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:29:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:29:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:29:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:29:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:29:02,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:29:02,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:29:02,346 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 04:29:02,346 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:29:02,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:29:02,379 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:29:02,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:29:02 BoogieIcfgContainer [2024-12-06 04:29:02,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:29:02,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:29:02,380 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:29:02,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:29:02,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:29:02" (1/1) ... [2024-12-06 04:29:02,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:29:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 04:29:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 04:29:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:29:02,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:02,545 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 04:29:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 04:29:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 04:29:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:29:02,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:02,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:02,619 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 04:29:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 04:29:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 04:29:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:29:02,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:02,770 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 04:29:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 04:29:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 04:29:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:29:02,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:03,124 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 04:29:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-06 04:29:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-06 04:29:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:29:03,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:03,699 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 04:29:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 04:29:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 04:29:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:29:04,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:04,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:29:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-12-06 04:29:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-06 04:29:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:29:06,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:29:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-12-06 04:29:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-12-06 04:29:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:29:07,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:07,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:29:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-12-06 04:29:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-12-06 04:29:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:29:08,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:29:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-12-06 04:29:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-06 04:29:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:29:09,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:29:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2024-12-06 04:29:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-12-06 04:29:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:29:09,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 04:29:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2024-12-06 04:29:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2024-12-06 04:29:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:29:09,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:29:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2024-12-06 04:29:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2024-12-06 04:29:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:29:16,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:16,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:29:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-12-06 04:29:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-12-06 04:29:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:29:21,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:21,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 04:29:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2024-12-06 04:29:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2024-12-06 04:29:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:29:22,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 04:29:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2024-12-06 04:29:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2024-12-06 04:29:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:29:23,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:23,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:29:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:29:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-06 04:29:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-06 04:29:28,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:29:28,396 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-12-06 04:29:28,402 INFO L726 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-12-06 04:29:29,337 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:29:29,337 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:29:29,338 INFO L77 FloydHoareUtils]: At program point L560-1(lines 554 567) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~length~0#1| 2147483647) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|)) [2024-12-06 04:29:29,338 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:29:29,338 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 554 567) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 04:29:29,338 INFO L77 FloydHoareUtils]: At program point L552(line 552) the Hoare annotation is: (let ((.cse5 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (* 18446744073709551615 .cse5)) (.cse2 (= (select |#valid| |ULTIMATE.start_cbzero_#t~post3#1.base|) 1)) (.cse3 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) (.cse4 (<= 0 |ULTIMATE.start_cbzero_~length#1|)) (.cse1 (select |#length| |ULTIMATE.start_cbzero_#t~post3#1.base|))) (or (and (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse0 2147483646) 18446744073709551616)) 2147483646) (= |ULTIMATE.start_cbzero_#t~post3#1.offset| 0) (<= 1 .cse1) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse2 (= |ULTIMATE.start_cbzero_#t~post3#1.base| |ULTIMATE.start_cbzero_~p~0#1.base|) .cse3 .cse4 (or (= |ULTIMATE.start_cbzero_~length#1| 0) (<= (+ |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 (+ 2147483645 |ULTIMATE.start_cbzero_~p~0#1.offset| .cse0) 18446744073709551616)) 2147483645) (<= (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| 1) .cse1) (<= 1 |ULTIMATE.start_cbzero_#t~post3#1.offset|) .cse2 .cse3 .cse4 (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse1 (mod (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| (* 18446744073709551615 .cse1) 2147483646) 18446744073709551616) (mod |ULTIMATE.start_cbzero_~length#1| 18446744073709551616)) (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| .cse5 2147483646)) (<= 2 |ULTIMATE.start_cbzero_~p~0#1.offset|))))) [2024-12-06 04:29:29,338 INFO L77 FloydHoareUtils]: At program point L552-1(lines 551 552) the Hoare annotation is: (let ((.cse3 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse1 (* 18446744073709551615 .cse3)) (.cse2 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (and .cse0 (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse1 2147483646) 18446744073709551616)) 2147483646) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse2 (<= 0 |ULTIMATE.start_cbzero_~length#1|) (or (= |ULTIMATE.start_cbzero_~length#1| 0) (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| 1) .cse3))) (and .cse0 (<= 1 .cse3) (<= (+ (mod (+ 2147483647 .cse1) 18446744073709551616) |ULTIMATE.start_cbzero_~length#1|) 2147483647) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) (<= 1 |ULTIMATE.start_cbzero_~length#1|) .cse2)))) [2024-12-06 04:29:29,338 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:29:29,339 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 554 567) no Hoare annotation was computed. [2024-12-06 04:29:29,339 INFO L77 FloydHoareUtils]: At program point L551-1(lines 551 552) the Hoare annotation is: (let ((.cse3 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse1 (div |ULTIMATE.start_cbzero_#t~post2#1| 18446744073709551616)) (.cse2 (* 18446744073709551615 .cse3)) (.cse4 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (and .cse0 (<= .cse1 0) (<= (+ (mod (+ 2147483647 .cse2) 18446744073709551616) |ULTIMATE.start_cbzero_~length#1|) 2147483646) (<= 1 .cse3) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) (<= 1 |ULTIMATE.start_cbzero_#t~post2#1|) .cse4 (<= 0 |ULTIMATE.start_cbzero_~length#1|)) (let ((.cse5 (mod |ULTIMATE.start_cbzero_#t~post2#1| 18446744073709551616))) (and .cse0 (or (<= .cse5 0) (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| 1) .cse3)) (<= 0 .cse1) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse2 2147483646) 18446744073709551616)) 2147483645) (or (< .cse5 1) (< |ULTIMATE.start_cbzero_#t~post2#1| (+ |ULTIMATE.start_cbzero_~length#1| 2))) .cse4))))) [2024-12-06 04:29:29,339 INFO L77 FloydHoareUtils]: At program point L547(lines 547 553) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-12-06 04:29:29,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:29:29,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:29:29,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:29:29,346 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 04:29:29,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-06 04:29:29,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:29:29,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:29:29,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-06 04:29:29,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-06 04:29:29,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:29:29,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-06 04:29:29,349 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-06 04:29:29,350 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:29:29,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:29:29 ImpRootNode [2024-12-06 04:29:29,354 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:29:29,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:29:29,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:29:29,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:29:29,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:29:02" (3/4) ... [2024-12-06 04:29:29,356 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:29:29,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 04:29:29,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 04:29:29,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 04:29:29,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:29:29,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:29:29,423 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:29:29,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:29:29,431 INFO L158 Benchmark]: Toolchain (without parser) took 27625.48ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 118.7MB in the beginning and 138.0MB in the end (delta: -19.3MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2024-12-06 04:29:29,431 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:29:29,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:29:29,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:29:29,432 INFO L158 Benchmark]: Boogie Preprocessor took 17.30ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.2MB in the end (delta: 952.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:29:29,432 INFO L158 Benchmark]: RCFGBuilder took 261.37ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 87.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:29:29,433 INFO L158 Benchmark]: CodeCheck took 26974.10ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 87.8MB in the beginning and 50.7MB in the end (delta: 37.1MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-12-06 04:29:29,433 INFO L158 Benchmark]: Witness Printer took 75.65ms. Allocated memory is still 176.2MB. Free memory was 50.7MB in the beginning and 138.0MB in the end (delta: -87.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-12-06 04:29:29,435 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: 26.0s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 587 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 437 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 867 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3050 IncrementalHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 867 mSolverCounterUnsat, 159 mSDtfsCounter, 3050 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1567 GetRequests, 1288 SyntacticMatches, 21 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26016 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 35/78 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: 554]: 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: 551]: Loop Invariant Derived loop invariant: ((0 <= length) || (1 <= length)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.30ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.2MB in the end (delta: 952.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.37ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 87.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 26974.10ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 87.8MB in the beginning and 50.7MB in the end (delta: 37.1MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Witness Printer took 75.65ms. Allocated memory is still 176.2MB. Free memory was 50.7MB in the beginning and 138.0MB in the end (delta: -87.3MB). Peak memory consumption was 8.7MB. 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: 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 - 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! [2024-12-06 04:29:29,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e6e9568-181e-400b-8912-7cb4542828ea/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