./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/realloc1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/realloc1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b --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 ac04f74b68086890b55eca7e645e90e8df8a67932fce57d15e9ba2378d355360 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:13:35,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:13:35,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:13:35,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:13:35,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:13:35,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:13:35,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:13:35,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:13:35,314 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:13:35,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:13:35,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:13:35,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:13:35,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:35,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:13:35,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:13:35,316 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:13:35,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:13:35,316 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_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b 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 -> ac04f74b68086890b55eca7e645e90e8df8a67932fce57d15e9ba2378d355360 [2024-12-06 04:13:35,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:13:35,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:13:35,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:13:35,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:13:35,557 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:13:35,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext3/realloc1.c [2024-12-06 04:13:38,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/data/2970dd159/b6de1d25b1b74d4bb21b0326739859fd/FLAG72094c4aa [2024-12-06 04:13:38,367 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:13:38,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/sv-benchmarks/c/memsafety-ext3/realloc1.c [2024-12-06 04:13:38,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/data/2970dd159/b6de1d25b1b74d4bb21b0326739859fd/FLAG72094c4aa [2024-12-06 04:13:38,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/data/2970dd159/b6de1d25b1b74d4bb21b0326739859fd [2024-12-06 04:13:38,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:13:38,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:13:38,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:38,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:13:38,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:13:38,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89da0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38, skipping insertion in model container [2024-12-06 04:13:38,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:13:38,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:38,890 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:13:38,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:38,914 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:13:38,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38 WrapperNode [2024-12-06 04:13:38,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:38,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:38,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:13:38,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:13:38,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,941 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-12-06 04:13:38,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:38,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:13:38,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:13:38,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:13:38,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:13:38,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:13:38,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:13:38,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:13:38,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:38" (1/1) ... [2024-12-06 04:13:38,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:38,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:13:38,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:13:38,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:13:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:13:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:13:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:13:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:13:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:13:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:13:39,066 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:13:39,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:13:39,192 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 04:13:39,192 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:39,247 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:39,247 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:13:39,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:39 BoogieIcfgContainer [2024-12-06 04:13:39,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:39,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:39,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:39,257 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:39,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:39" (1/1) ... [2024-12-06 04:13:39,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-12-06 04:13:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-12-06 04:13:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:13:39,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:39,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-12-06 04:13:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-12-06 04:13:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:13:39,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:39,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-12-06 04:13:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-12-06 04:13:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:13:39,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:39,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-12-06 04:13:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-12-06 04:13:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:13:40,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:13:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-12-06 04:13:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-12-06 04:13:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:13:40,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:13:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-06 04:13:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-06 04:13:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:13:40,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-06 04:13:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-06 04:13:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:13:40,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:13:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-12-06 04:13:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-12-06 04:13:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:13:40,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:40,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-12-06 04:13:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-12-06 04:13:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:13:41,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:41,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-12-06 04:13:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-12-06 04:13:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:13:41,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:41,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-12-06 04:13:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-12-06 04:13:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:13:41,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:41,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-12-06 04:13:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-12-06 04:13:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:13:42,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2024-12-06 04:13:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2024-12-06 04:13:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:13:42,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-12-06 04:13:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-12-06 04:13:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:13:43,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:43,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 04:13:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 04:13:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:13:43,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-12-06 04:13:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-12-06 04:13:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:13:44,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 31 states and 30 transitions. [2024-12-06 04:13:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2024-12-06 04:13:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:13:44,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:44,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:44,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:44,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:44,803 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2024-12-06 04:13:44,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:13:44 ImpRootNode [2024-12-06 04:13:44,821 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:13:44,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:13:44,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:13:44,821 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:13:44,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:39" (3/4) ... [2024-12-06 04:13:44,822 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:13:44,858 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 04:13:44,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:13:44,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:13:44,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:13:44,906 INFO L158 Benchmark]: Toolchain (without parser) took 6162.15ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 71.9MB in the end (delta: 45.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-06 04:13:44,906 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:44,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.06ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:13:44,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:44,907 INFO L158 Benchmark]: Boogie Preprocessor took 17.63ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.6MB in the end (delta: 800.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:44,908 INFO L158 Benchmark]: RCFGBuilder took 287.47ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 88.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:13:44,908 INFO L158 Benchmark]: CodeCheck took 5572.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 77.0MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 04:13:44,908 INFO L158 Benchmark]: Witness Printer took 84.22ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 71.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:13:44,910 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, 17 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1579 IncrementalHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 461 mSolverCounterUnsat, 18 mSDtfsCounter, 1579 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1286 GetRequests, 1088 SyntacticMatches, 80 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5619 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 7/294 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L8] char* p = malloc(10 * sizeof(int)); [L10] int i = 0; VAL [i=0, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=1, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=2, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=3, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=4, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=5, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=6, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=7, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=8, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=9, p={14563:0}] [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ VAL [i=10, p={14563:0}] [L10] COND FALSE !(i < 10) [L14] free(p) VAL [p={14563:0}] [L14] free(p) VAL [p={14563:0}] [L14] free(p) [L16] p[2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.06ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.63ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.6MB in the end (delta: 800.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.47ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 88.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5572.77ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 77.0MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 84.22ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 71.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:13:44,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db11ec36-e1dc-4ba3-8a30-dff84ab141bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)