./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/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_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:21:25,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:25,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:21:25,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:25,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:25,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:25,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:25,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:25,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:25,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:25,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:25,695 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:21:25,696 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:21:25,698 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:21:25,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:25,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:25,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:25,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:25,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:25,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:25,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:25,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:25,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:25,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:25,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:25,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:25,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2023-11-19 03:21:26,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:26,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:26,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:26,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:26,105 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:26,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2023-11-19 03:21:29,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:29,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:29,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2023-11-19 03:21:29,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/data/a74606589/a08721c6c7e84eb5bec8c9cf3fc5957d/FLAG6a6e7f7a4 [2023-11-19 03:21:29,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/data/a74606589/a08721c6c7e84eb5bec8c9cf3fc5957d [2023-11-19 03:21:29,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:29,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:29,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:29,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:29,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:29,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799ddb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29, skipping insertion in model container [2023-11-19 03:21:29,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,618 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:29,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:29,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:29,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:30,009 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:30,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30 WrapperNode [2023-11-19 03:21:30,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:30,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:30,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:30,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:30,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,067 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2023-11-19 03:21:30,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:30,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:30,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:30,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:30,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:30,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:30,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:30,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:30,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:30,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:30,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:30,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:30,346 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:30,349 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:30,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:30,581 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:30,582 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:30,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:30 BoogieIcfgContainer [2023-11-19 03:21:30,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:30,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:30,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:30,604 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:30,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 03:21:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 03:21:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:21:30,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-19 03:21:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-19 03:21:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:21:30,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-19 03:21:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-19 03:21:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:21:30,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:21:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:21:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:21:31,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:31,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 03:21:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 03:21:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:32,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:21:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:21:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:33,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-11-19 03:21:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-11-19 03:21:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:36,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:36,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-11-19 03:21:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-11-19 03:21:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:37,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2023-11-19 03:21:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2023-11-19 03:21:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:39,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2023-11-19 03:21:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2023-11-19 03:21:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:39,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-19 03:21:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-19 03:21:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:46,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2023-11-19 03:21:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2023-11-19 03:21:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:47,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:47,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2023-11-19 03:21:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2023-11-19 03:21:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:48,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 83 transitions. [2023-11-19 03:21:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 83 transitions. [2023-11-19 03:21:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:55,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 82 transitions. [2023-11-19 03:21:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 82 transitions. [2023-11-19 03:21:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:21:59,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:59,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:22:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 86 transitions. [2023-11-19 03:22:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 86 transitions. [2023-11-19 03:22:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:22:01,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:22:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 87 transitions. [2023-11-19 03:22:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 87 transitions. [2023-11-19 03:22:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:22:01,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2023-11-19 03:22:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-11-19 03:22:06,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:22:06,756 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-19 03:22:06,763 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-11-19 03:22:06,931 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:22:06,935 INFO L560 CodeCheckObserver]: Invariant with dag size 48 [2023-11-19 03:22:06,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~p~0!base] could not be translated [2023-11-19 03:22:06,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc6!base := 0] could not be translated [2023-11-19 03:22:06,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~p~0!base] could not be translated [2023-11-19 03:22:06,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-19 03:22:06,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc6!base := 0] could not be translated [2023-11-19 03:22:06,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:06 ImpRootNode [2023-11-19 03:22:06,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:06,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:06,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:06,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:06,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:30" (3/4) ... [2023-11-19 03:22:06,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:22:06,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:22:06,978 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:22:06,978 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:22:06,978 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:22:07,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:22:07,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:22:07,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:22:07,104 INFO L158 Benchmark]: Toolchain (without parser) took 37538.30ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 140.4MB in the beginning and 133.6MB in the end (delta: 6.8MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,105 INFO L158 Benchmark]: CDTParser took 4.43ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:07,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.91ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 122.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,106 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 169.9MB. Free memory was 122.4MB in the beginning and 121.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:07,106 INFO L158 Benchmark]: RCFGBuilder took 489.95ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 108.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,108 INFO L158 Benchmark]: CodeCheck took 36366.42ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 108.7MB in the beginning and 137.8MB in the end (delta: -29.0MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,108 INFO L158 Benchmark]: Witness Printer took 144.15ms. Allocated memory is still 297.8MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:07,112 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: 36.1s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 666 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 506 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 931 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3301 IncrementalHoareTripleChecker+Invalid, 4232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 931 mSolverCounterUnsat, 154 mSDtfsCounter, 3301 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1703 GetRequests, 1415 SyntacticMatches, 38 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26101 ImplicationChecksByTransitivity, 30.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 1687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 34/87 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 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: 554]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (((1 <= length) || (length == 0)) || (1 <= length)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.43ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.91ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 122.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 169.9MB. Free memory was 122.4MB in the beginning and 121.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.95ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 108.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 36366.42ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 108.7MB in the beginning and 137.8MB in the end (delta: -29.0MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 144.15ms. Allocated memory is still 297.8MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc6!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc6!base := 0] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:22:07,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb13caa-b6a8-4ccf-8e44-7564117c9ac9/bin/ukojak-verify-G8NBE6pJGL/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