./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/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_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/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 32bit --witnessprinter.graph.data.programhash 0e16460170daade69818450e1395d982497f59eca845b3ed1031565545c18793 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:45,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:45,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:19:45,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:45,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:45,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:45,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:45,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:45,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:45,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:45,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:45,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:45,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:45,496 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:19:45,497 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:19:45,497 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:19:45,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:45,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:45,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:45,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:45,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:45,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:45,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:45,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:45,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:45,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:45,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:45,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:45,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:45,507 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_5569363a-ea0a-495b-8051-9ab1c2706c9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e16460170daade69818450e1395d982497f59eca845b3ed1031565545c18793 [2023-11-19 03:19:45,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:45,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:45,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:45,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:45,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:45,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memset3.c [2023-11-19 03:19:49,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:49,289 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:49,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/sv-benchmarks/c/ldv-memsafety/memset3.c [2023-11-19 03:19:49,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/data/076066346/4ac76da2358d48afaece469fbe59f8c6/FLAG5346cc313 [2023-11-19 03:19:49,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/data/076066346/4ac76da2358d48afaece469fbe59f8c6 [2023-11-19 03:19:49,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:49,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:49,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:49,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:49,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:49,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3e0796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49, skipping insertion in model container [2023-11-19 03:19:49,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:49,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:49,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:49,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:49,660 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:49,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49 WrapperNode [2023-11-19 03:19:49,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:49,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:49,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:49,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:49,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,712 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18 [2023-11-19 03:19:49,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:49,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:49,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:49,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:49,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:49,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:49,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:49,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:49,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:49,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:49,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:49,953 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:49,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:50,120 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:50,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:50,151 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:19:50,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:50 BoogieIcfgContainer [2023-11-19 03:19:50,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:50,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:50,164 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:50,178 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:50,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:50" (1/1) ... [2023-11-19 03:19:50,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 03:19:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 03:19:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:50,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,614 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 03:19:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 03:19:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 03:19:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:50,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,917 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 03:19:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-19 03:19:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-19 03:19:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:51,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,247 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 03:19:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:19:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:19:51,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:19:51,518 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:19:51,529 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-11-19 03:19:51,576 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:19:51,582 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:19:51,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#cstats~0!base := 0] could not be translated [2023-11-19 03:19:51,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:19:51 ImpRootNode [2023-11-19 03:19:51,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:19:51,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:19:51,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:19:51,591 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:19:51,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:50" (3/4) ... [2023-11-19 03:19:51,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:19:51,607 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:19:51,617 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:19:51,618 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:19:51,618 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:19:51,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:19:51,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:19:51,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:19:51,714 INFO L158 Benchmark]: Toolchain (without parser) took 2377.33ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 127.5MB in the end (delta: -46.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:51,715 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:51,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.08ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 70.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:19:51,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 125.8MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:51,716 INFO L158 Benchmark]: Boogie Preprocessor took 39.61ms. Allocated memory is still 125.8MB. Free memory was 69.4MB in the beginning and 68.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:51,717 INFO L158 Benchmark]: RCFGBuilder took 408.30ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 58.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:19:51,718 INFO L158 Benchmark]: CodeCheck took 1425.38ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 128.3MB in the end (delta: -70.3MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-19 03:19:51,719 INFO L158 Benchmark]: Witness Printer took 123.05ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 127.5MB in the end (delta: 815.1kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-19 03:19:51,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 0 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.08ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 70.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 125.8MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.61ms. Allocated memory is still 125.8MB. Free memory was 69.4MB in the beginning and 68.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.30ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 58.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1425.38ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 128.3MB in the end (delta: -70.3MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 123.05ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 127.5MB in the end (delta: 815.1kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#cstats~0!base := 0] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:19:51,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5569363a-ea0a-495b-8051-9ab1c2706c9e/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