./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm --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 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:09:27,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:09:27,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 23:09:27,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:09:27,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:09:27,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:09:27,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:09:27,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:09:27,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:09:27,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:09:27,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:09:27,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:09:27,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:09:27,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:09:27,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:09:27,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:09:27,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:09:27,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:09:27,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:09:27,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm 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 -> 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 [2024-11-13 23:09:28,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:09:28,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:09:28,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:09:28,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:09:28,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:09:28,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i Unable to find full path for "g++" [2024-11-13 23:09:30,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:09:30,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:09:30,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2024-11-13 23:09:30,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/data/3940921b1/3d48beb10a48422e932a3c95376c1aed/FLAGfa7359eda [2024-11-13 23:09:30,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/data/3940921b1/3d48beb10a48422e932a3c95376c1aed [2024-11-13 23:09:30,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:09:30,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:09:30,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:09:30,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:09:30,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:09:30,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:30" (1/1) ... [2024-11-13 23:09:30,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672ed04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:30, skipping insertion in model container [2024-11-13 23:09:30,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:30" (1/1) ... [2024-11-13 23:09:30,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:09:30,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:09:30,932 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:09:30,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:09:31,026 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:09:31,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31 WrapperNode [2024-11-13 23:09:31,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:09:31,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:09:31,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:09:31,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:09:31,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,082 INFO L138 Inliner]: procedures = 118, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 23:09:31,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:09:31,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:09:31,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:09:31,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:09:31,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:09:31,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:09:31,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:09:31,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:09:31,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:09:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:09:31,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:09:31,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:09:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:09:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:09:31,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:09:31,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:09:31,533 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-13 23:09:31,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:09:31,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:09:31,604 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:09:31,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:31 BoogieIcfgContainer [2024-11-13 23:09:31,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:09:31,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:09:31,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:09:31,616 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:09:31,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:31" (1/1) ... [2024-11-13 23:09:31,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:09:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2024-11-13 23:09:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-13 23:09:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:09:31,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-11-13 23:09:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-13 23:09:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:09:32,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2024-11-13 23:09:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-13 23:09:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:09:32,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:32,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 23:09:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 23:09:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:09:32,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:32,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-11-13 23:09:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-11-13 23:09:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:09:33,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 23:09:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 23:09:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:09:33,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:33,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-13 23:09:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-13 23:09:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:09:35,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:35,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 23:09:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 23:09:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:09:37,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2024-11-13 23:09:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2024-11-13 23:09:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:09:39,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2024-11-13 23:09:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2024-11-13 23:09:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:09:41,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:41,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2024-11-13 23:09:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2024-11-13 23:09:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:09:41,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2024-11-13 23:09:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2024-11-13 23:09:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:09:41,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2024-11-13 23:09:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2024-11-13 23:09:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:09:43,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-13 23:09:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-13 23:09:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:09:46,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2024-11-13 23:09:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2024-11-13 23:09:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:09:46,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2024-11-13 23:09:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2024-11-13 23:09:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:09:46,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2024-11-13 23:09:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2024-11-13 23:09:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:47,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-11-13 23:09:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-13 23:09:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:49,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:09:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2024-11-13 23:09:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-13 23:09:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:09:50,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:09:50,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:09:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:09:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:09:50,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:09:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:09:51,009 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2024-11-13 23:09:51,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:09:51 ImpRootNode [2024-11-13 23:09:51,036 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:09:51,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:09:51,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:09:51,037 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:09:51,038 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:31" (3/4) ... [2024-11-13 23:09:51,039 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:09:51,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:09:51,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:09:51,081 INFO L158 Benchmark]: Toolchain (without parser) took 20613.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 118.0MB in the beginning and 326.6MB in the end (delta: -208.5MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2024-11-13 23:09:51,081 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:09:51,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.16ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 101.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:09:51,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:09:51,083 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.9MB in the end (delta: 702.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:09:51,084 INFO L158 Benchmark]: RCFGBuilder took 499.84ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 80.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:09:51,084 INFO L158 Benchmark]: CodeCheck took 19431.53ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 80.6MB in the beginning and 330.8MB in the end (delta: -250.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:09:51,084 INFO L158 Benchmark]: Witness Printer took 42.21ms. Allocated memory is still 419.4MB. Free memory was 330.8MB in the beginning and 326.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:09:51,089 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, 31 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 465 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 406 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 682 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2457 IncrementalHoareTripleChecker+Invalid, 3139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 682 mSolverCounterUnsat, 98 mSDtfsCounter, 2457 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1041 GetRequests, 857 SyntacticMatches, 20 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11224 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 1141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 3/20 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: [L536] CALL, EXPR build_nondet_String() [L515] int length = __VERIFIER_nondet_int(); [L516] COND TRUE length < 1 [L517] length = 1 [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; VAL [i=0, length=1, nondetString={-1:0}] [L521] COND FALSE !(i < length - 1) [L526] nondetString[length-1] = '\0' [L527] return nondetString; [L536] RET, EXPR build_nondet_String() [L536] char* s = build_nondet_String(); [L537] CALL cstrchr(s,__VERIFIER_nondet_int()) [L531] EXPR \read(*s) [L531] *s != '\0' && *s != (char)c VAL [c=1, s={-1:0}] [L531] COND FALSE !(*s != '\0' && *s != (char)c) [L533] EXPR \read(*s) [L533] return ( (*s == c) ? (char *) s : 0 ); [L537] RET cstrchr(s,__VERIFIER_nondet_int()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.16ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 101.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.9MB in the end (delta: 702.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.84ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 80.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 19431.53ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 80.6MB in the beginning and 330.8MB in the end (delta: -250.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 42.21ms. Allocated memory is still 419.4MB. Free memory was 330.8MB in the beginning and 326.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:09:51,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c54708-7c2d-4f6f-b92a-ff6bad96260a/bin/ukojak-verify-EEHR8qb7sm/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)