./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi --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 6ee5bab22bb27b31bdc1e46b5ad945cfa92016e1139565f86ec528ca863209ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:37,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:37,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:12:37,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:37,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:37,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:37,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:37,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:37,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:37,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:37,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:37,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:37,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:37,620 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:12:37,621 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:12:37,621 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:12:37,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:37,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:37,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:37,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:37,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:37,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:37,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:37,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:37,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:37,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:37,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:37,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:37,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:37,631 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_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ee5bab22bb27b31bdc1e46b5ad945cfa92016e1139565f86ec528ca863209ee [2023-11-24 22:12:37,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:37,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:37,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:37,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:37,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:37,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_-write.c [2023-11-24 22:12:41,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:41,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:41,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/sv-benchmarks/c/ldv-memsafety/memsetNonZero2_-write.c [2023-11-24 22:12:41,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/data/b605a6283/26b4efbe9ac74e5e9d97deace8944005/FLAG1c0898035 [2023-11-24 22:12:41,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/data/b605a6283/26b4efbe9ac74e5e9d97deace8944005 [2023-11-24 22:12:41,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:41,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:41,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:41,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:41,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:41,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d2a1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41, skipping insertion in model container [2023-11-24 22:12:41,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:41,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:41,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:41,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:41,679 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:41,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41 WrapperNode [2023-11-24 22:12:41,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:41,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:41,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:41,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:41,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,720 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16 [2023-11-24 22:12:41,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:41,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:41,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:41,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:41,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:41,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:41,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:41,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:41,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:41,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:41,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:41,922 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:41,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:42,056 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:42,089 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:42,092 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:42,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42 BoogieIcfgContainer [2023-11-24 22:12:42,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:42,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:42,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:42,110 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:42,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-24 22:12:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-24 22:12:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:12:42,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:42,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:42,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-24 22:12:42,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-24 22:12:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:12:42,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:42,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:42,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:42,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:42,618 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:12:42,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:42 ImpRootNode [2023-11-24 22:12:42,640 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:42,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:42,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:42,642 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:42,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42" (3/4) ... [2023-11-24 22:12:42,644 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:12:42,686 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:12:42,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:42,690 INFO L158 Benchmark]: Toolchain (without parser) took 1298.40ms. Allocated memory is still 186.6MB. Free memory was 147.0MB in the beginning and 106.4MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,691 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:42,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.01ms. Allocated memory is still 186.6MB. Free memory was 147.0MB in the beginning and 137.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 186.6MB. Free memory was 137.2MB in the beginning and 135.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,698 INFO L158 Benchmark]: Boogie Preprocessor took 35.53ms. Allocated memory is still 186.6MB. Free memory was 135.8MB in the beginning and 135.0MB in the end (delta: 758.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:42,700 INFO L158 Benchmark]: RCFGBuilder took 337.96ms. Allocated memory is still 186.6MB. Free memory was 135.0MB in the beginning and 124.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,700 INFO L158 Benchmark]: CodeCheck took 543.94ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 107.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,701 INFO L158 Benchmark]: Witness Printer took 47.82ms. Allocated memory is still 186.6MB. Free memory was 107.8MB in the beginning and 106.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:42,710 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: [L21] struct compstat cstats ; [L22] CALL memset((void *)(& cstats), 10, 41UL) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.01ms. Allocated memory is still 186.6MB. Free memory was 147.0MB in the beginning and 137.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 186.6MB. Free memory was 137.2MB in the beginning and 135.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.53ms. Allocated memory is still 186.6MB. Free memory was 135.8MB in the beginning and 135.0MB in the end (delta: 758.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.96ms. Allocated memory is still 186.6MB. Free memory was 135.0MB in the beginning and 124.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 543.94ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 107.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 47.82ms. Allocated memory is still 186.6MB. Free memory was 107.8MB in the beginning and 106.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:12:42,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7783dd-a2bc-47be-b5c1-069976b4d9ad/bin/ukojak-verify-afCqCEvfdi/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)