./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/freeAlloca.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_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/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_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/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_2fa99ecc-9265-4e84-b884-3a887a83836e/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 cb3174b12ccafcfa2421015218ce7e009c2319e912e783d4246aed1266b2586b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:05:26,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:05:26,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:05:26,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:05:26,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:05:26,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:05:26,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:05:26,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:05:26,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:05:26,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:05:26,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:05:26,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:05:26,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:05:26,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:05:26,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:05:26,730 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_2fa99ecc-9265-4e84-b884-3a887a83836e/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 -> cb3174b12ccafcfa2421015218ce7e009c2319e912e783d4246aed1266b2586b [2024-12-05 22:05:26,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:05:26,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:05:26,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:05:26,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:05:26,983 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:05:26,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2024-12-05 22:05:29,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/data/aa56b6f3f/99aae353ea9a41389741e79065291e9d/FLAG0ba4248a4 [2024-12-05 22:05:29,834 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:05:29,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2024-12-05 22:05:29,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/data/aa56b6f3f/99aae353ea9a41389741e79065291e9d/FLAG0ba4248a4 [2024-12-05 22:05:29,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/data/aa56b6f3f/99aae353ea9a41389741e79065291e9d [2024-12-05 22:05:29,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:05:29,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:05:29,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:05:29,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:05:29,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:05:29,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:05:29" (1/1) ... [2024-12-05 22:05:29,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73594df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:29, skipping insertion in model container [2024-12-05 22:05:29,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:05:29" (1/1) ... [2024-12-05 22:05:29,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:05:30,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:05:30,011 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:05:30,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:05:30,035 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:05:30,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30 WrapperNode [2024-12-05 22:05:30,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:05:30,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:05:30,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:05:30,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:05:30,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,061 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-05 22:05:30,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:05:30,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:05:30,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:05:30,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:05:30,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:05:30,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:05:30,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:05:30,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:05:30,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:05:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:05:30,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:05:30,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:05:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:05:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:05:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:05:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:05:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:05:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:05:30,191 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:05:30,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:05:30,293 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-05 22:05:30,294 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:05:30,315 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:05:30,315 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:05:30,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:05:30 BoogieIcfgContainer [2024-12-05 22:05:30,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:05:30,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:05:30,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:05:30,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:05:30,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:05:30" (1/1) ... [2024-12-05 22:05:30,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:05:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-05 22:05:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-05 22:05:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:05:30,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-05 22:05:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-05 22:05:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:05:30,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:30,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-12-05 22:05:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-12-05 22:05:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:05:30,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:30,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-12-05 22:05:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-05 22:05:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:05:31,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:31,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-05 22:05:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-05 22:05:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:05:31,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:05:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-05 22:05:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-05 22:05:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:05:31,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-05 22:05:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-05 22:05:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:05:32,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:05:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-05 22:05:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-05 22:05:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:05:32,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:32,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-05 22:05:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-05 22:05:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:05:32,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:32,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-12-05 22:05:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-12-05 22:05:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:05:32,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-12-05 22:05:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-12-05 22:05:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:05:33,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-12-05 22:05:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-12-05 22:05:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:05:33,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:33,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-12-05 22:05:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-12-05 22:05:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:05:34,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-12-05 22:05:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-12-05 22:05:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:05:34,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2024-12-05 22:05:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-12-05 22:05:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:05:34,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:05:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-05 22:05:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-05 22:05:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:05:35,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:05:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:05:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:05:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-12-05 22:05:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-12-05 22:05:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:05:38,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:05:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:05:38,432 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:05:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:05:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:05:38,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:05:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:05:38,672 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2024-12-05 22:05:38,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:05:38 ImpRootNode [2024-12-05 22:05:38,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:05:38,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:05:38,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:05:38,699 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:05:38,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:05:30" (3/4) ... [2024-12-05 22:05:38,700 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:05:38,738 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-12-05 22:05:38,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:05:38,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:05:38,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:05:38,786 INFO L158 Benchmark]: Toolchain (without parser) took 8929.06ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 117.3MB in the beginning and 115.0MB in the end (delta: 2.3MB). Peak memory consumption was 190.3MB. Max. memory is 16.1GB. [2024-12-05 22:05:38,786 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:05:38,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.53ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 107.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:05:38,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.70ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:05:38,787 INFO L158 Benchmark]: Boogie Preprocessor took 17.34ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:05:38,787 INFO L158 Benchmark]: RCFGBuilder took 235.67ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:05:38,788 INFO L158 Benchmark]: CodeCheck took 8382.02ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 93.4MB in the beginning and 119.4MB in the end (delta: -26.0MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. [2024-12-05 22:05:38,788 INFO L158 Benchmark]: Witness Printer took 86.03ms. Allocated memory is still 335.5MB. Free memory was 119.4MB in the beginning and 115.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:05:38,790 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, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 434 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 513 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1557 IncrementalHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 513 mSolverCounterUnsat, 69 mSDtfsCounter, 1557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 1202 SyntacticMatches, 78 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10924 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 108/398 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: 14]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L7] char *p = alloca(10 * sizeof(char)); [L9] int i = 0; VAL [i=0, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=1, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=2, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=3, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=4, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=5, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=6, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=7, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=8, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=9, p={22148:0}] [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ VAL [i=10, p={22148:0}] [L9] COND FALSE !(i < 10) [L13] EXPR p[2] VAL [p={22148:0}] [L13] COND TRUE p[2] == 'a' [L14] free(p) [L14] free(p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.53ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 107.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.70ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.34ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 235.67ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 8382.02ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 93.4MB in the beginning and 119.4MB in the end (delta: -26.0MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. * Witness Printer took 86.03ms. Allocated memory is still 335.5MB. Free memory was 119.4MB in the beginning and 115.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:05:38,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa99ecc-9265-4e84-b884-3a887a83836e/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-free)