./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_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 04:40:12,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:40:12,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:40:12,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:40:12,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:40:12,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:40:12,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:40:12,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:40:12,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:40:12,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:40:12,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:40:12,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:40:12,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:12,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:40:12,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:40:12,642 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:40:12,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:40:12,642 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_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:40:12,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:40:12,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:40:12,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:40:12,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:40:12,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:40:12,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2024-11-25 04:40:15,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/data/9f250940e/838ebee5bc464734aa96969feceec112/FLAG53fe6041d [2024-11-25 04:40:16,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:40:16,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2024-11-25 04:40:16,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/data/9f250940e/838ebee5bc464734aa96969feceec112/FLAG53fe6041d [2024-11-25 04:40:16,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/data/9f250940e/838ebee5bc464734aa96969feceec112 [2024-11-25 04:40:16,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:40:16,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:40:16,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:16,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:40:16,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:40:16,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb8196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16, skipping insertion in model container [2024-11-25 04:40:16,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:40:16,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:16,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:40:16,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:16,658 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:40:16,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16 WrapperNode [2024-11-25 04:40:16,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:16,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:16,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:40:16,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:40:16,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,681 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-25 04:40:16,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:16,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:40:16,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:40:16,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:40:16,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:40:16,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:40:16,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:40:16,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:40:16,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:16,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:40:16,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:40:16,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:40:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:40:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:40:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:40:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:40:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:40:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:40:16,827 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:40:16,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:40:16,943 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 04:40:16,943 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:40:16,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:40:16,999 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:40:16,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:16 BoogieIcfgContainer [2024-11-25 04:40:17,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:40:17,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:40:17,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:40:17,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:40:17,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:16" (1/1) ... [2024-11-25 04:40:17,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:40:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-25 04:40:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-25 04:40:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:40:17,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:17,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-25 04:40:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-25 04:40:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:40:17,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:17,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-25 04:40:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-25 04:40:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:40:17,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-25 04:40:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-25 04:40:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:40:18,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:18,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 04:40:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 04:40:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:40:18,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:18,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:40:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-25 04:40:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-25 04:40:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:40:18,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:19,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-25 04:40:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-25 04:40:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:40:19,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:19,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:40:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-25 04:40:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-25 04:40:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:40:19,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-25 04:40:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-25 04:40:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:40:20,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-25 04:40:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-25 04:40:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:40:20,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:20,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-25 04:40:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-25 04:40:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:40:21,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-25 04:40:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-25 04:40:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:40:21,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-11-25 04:40:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-25 04:40:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:40:22,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:22,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-11-25 04:40:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-25 04:40:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:40:22,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2024-11-25 04:40:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-25 04:40:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:40:23,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-11-25 04:40:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-11-25 04:40:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:40:24,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 04:40:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-11-25 04:40:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-11-25 04:40:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:40:28,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:28,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:28,057 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:28,215 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:40:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:40:28,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2024-11-25 04:40:28,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:40:28 ImpRootNode [2024-11-25 04:40:28,332 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:40:28,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:40:28,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:40:28,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:40:28,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:16" (3/4) ... [2024-11-25 04:40:28,337 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:40:28,399 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-11-25 04:40:28,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:40:28,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:40:28,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:40:28,473 INFO L158 Benchmark]: Toolchain (without parser) took 12036.82ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.4MB in the beginning and 258.8MB in the end (delta: -164.5MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-25 04:40:28,474 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:28,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.46ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:40:28,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.60ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:28,474 INFO L158 Benchmark]: Boogie Preprocessor took 15.71ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 775.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:28,475 INFO L158 Benchmark]: RCFGBuilder took 301.97ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 71.1MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:40:28,475 INFO L158 Benchmark]: CodeCheck took 11331.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 262.6MB in the end (delta: -191.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-25 04:40:28,475 INFO L158 Benchmark]: Witness Printer took 140.17ms. Allocated memory is still 352.3MB. Free memory was 262.6MB in the beginning and 258.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:40:28,479 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: 11.3s, 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, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 3.5s 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, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.46ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.60ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.71ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 775.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.97ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 71.1MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11331.63ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 262.6MB in the end (delta: -191.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 140.17ms. Allocated memory is still 352.3MB. Free memory was 262.6MB in the beginning and 258.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:40:28,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17afbec4-b4ce-440c-92ed-4defe2e1a923/bin/ukojak-verify-ENZ3QT5qd3/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-free)