./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk --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 07a396ef153f1ca8e856eefcfa25d3d77eb73f779a009e48698bf5ce12969740 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:48:56,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:48:56,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:48:56,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:48:56,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:48:56,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:48:56,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:48:56,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:48:56,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:48:56,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:48:56,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:48:56,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:48:56,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:48:56,389 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:48:56,390 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:48:56,390 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:48:56,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:48:56,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:48:56,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:48:56,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:48:56,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:48:56,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:48:56,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:48:56,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:48:56,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:48:56,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:56,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:48:56,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:48:56,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:48:56,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:48:56,402 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_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a396ef153f1ca8e856eefcfa25d3d77eb73f779a009e48698bf5ce12969740 [2024-11-08 23:48:56,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:48:56,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:48:56,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:48:56,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:48:56,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:48:56,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c Unable to find full path for "g++" [2024-11-08 23:48:59,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:48:59,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:48:59,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c [2024-11-08 23:48:59,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/data/54e49cc86/a408c4b20f084d64a12fac1370c7c2b1/FLAGee65e9ab8 [2024-11-08 23:48:59,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/data/54e49cc86/a408c4b20f084d64a12fac1370c7c2b1 [2024-11-08 23:48:59,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:48:59,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:48:59,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:59,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:48:59,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:48:59,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:48:59,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1881078f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59, skipping insertion in model container [2024-11-08 23:48:59,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:48:59,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:48:59,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:59,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:48:59,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:59,954 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:48:59,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59 WrapperNode [2024-11-08 23:48:59,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:59,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:59,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:48:59,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:48:59,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:48:59,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:48:59,999 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2024-11-08 23:48:59,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:00,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:00,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:00,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:00,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:00,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:00,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:00,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:00,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:59" (1/1) ... [2024-11-08 23:49:00,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:00,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:00,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:00,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:49:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:49:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:49:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:49:00,210 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:00,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:00,571 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:00,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:00,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:00,684 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:00,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:00 BoogieIcfgContainer [2024-11-08 23:49:00,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:00,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:00,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:00,701 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:00,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:00" (1/1) ... [2024-11-08 23:49:00,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-08 23:49:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-08 23:49:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:00,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:00,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-08 23:49:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-08 23:49:01,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:49:01,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:01,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-08 23:49:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-08 23:49:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:49:01,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:01,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:01,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:02,016 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 23:49:02,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:02 ImpRootNode [2024-11-08 23:49:02,046 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:02,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:02,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:02,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:02,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:00" (3/4) ... [2024-11-08 23:49:02,049 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:49:02,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:49:02,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:02,090 INFO L158 Benchmark]: Toolchain (without parser) took 2466.71ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 120.9MB in the beginning and 165.4MB in the end (delta: -44.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:02,090 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:02,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.83ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 108.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:49:02,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.44ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:02,092 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:02,093 INFO L158 Benchmark]: RCFGBuilder took 652.73ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 87.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:49:02,094 INFO L158 Benchmark]: CodeCheck took 1361.14ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 87.5MB in the beginning and 167.5MB in the end (delta: -80.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:02,095 INFO L158 Benchmark]: Witness Printer took 41.45ms. Allocated memory is still 209.7MB. Free memory was 167.5MB in the beginning and 165.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:02,099 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, 32 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 18 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 VAL [b={2:0}, i=0] [L33] COND FALSE !(i < 100) VAL [b={2:0}, i=0] [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i) [L21] int a[n], i; [L22] i = 0 VAL [a={3:0}, b={2:0}, i=0, size=0] [L22] COND TRUE i < size VAL [a={3:0}, b={2:0}, i=0, size=0] [L25] CALL bar(a, size + 1) [L12] int res = 0, i; [L13] i = 0 VAL [b={3:0}, i=0, res=0, size=1] [L13] COND FALSE !(i < size) VAL [b={3:0}, i=0, res=0, size=1] [L13] COND TRUE i < size VAL [b={3:0}, i=0, res=0, size=1] [L14] b[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.83ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 108.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.44ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 652.73ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 87.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1361.14ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 87.5MB in the beginning and 167.5MB in the end (delta: -80.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.45ms. Allocated memory is still 209.7MB. Free memory was 167.5MB in the beginning and 165.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:49:02,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b5684-3e29-4740-9269-3d997e23db97/bin/ukojak-verify-ImItNfHLgk/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)