./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i --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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:25,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:26,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 00:53:26,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:53:26,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:53:26,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:26,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:26,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:26,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:26,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:26,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:26,073 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:26,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:26,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:53:26,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:53:26,073 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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 -> 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc [2024-12-06 00:53:26,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:26,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:26,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:26,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:26,352 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:26,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2024-12-06 00:53:29,078 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/7419d3bcf/8dbf597e6a9943fcab553c532b5d9070/FLAG267b229e9 [2024-12-06 00:53:29,303 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:29,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2024-12-06 00:53:29,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/7419d3bcf/8dbf597e6a9943fcab553c532b5d9070/FLAG267b229e9 [2024-12-06 00:53:29,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/7419d3bcf/8dbf597e6a9943fcab553c532b5d9070 [2024-12-06 00:53:29,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:29,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:29,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:29,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:29,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:29,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126984d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29, skipping insertion in model container [2024-12-06 00:53:29,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:29,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:29,725 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:29,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:29,820 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:29,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29 WrapperNode [2024-12-06 00:53:29,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:29,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:29,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:29,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:29,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,858 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 47 [2024-12-06 00:53:29,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:29,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:29,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:29,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:29,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:29,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:29,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:29,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:29,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:29" (1/1) ... [2024-12-06 00:53:29,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:29,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:29,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:53:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:53:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:53:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:30,016 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:30,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:30,114 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:30,114 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:30,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:30,167 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:53:30,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:30 BoogieIcfgContainer [2024-12-06 00:53:30,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:30,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:30,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:30,177 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:30,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:30" (1/1) ... [2024-12-06 00:53:30,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:53:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:53:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:53:30,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:30,408 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 00:53:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 00:53:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 00:53:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:53:30,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:30,609 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 00:53:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 00:53:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 00:53:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:53:30,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:30,828 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 00:53:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:53:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:53:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:53:30,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:30,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:31,072 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 00:53:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 00:53:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 00:53:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:53:31,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:31,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:31,384 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:31,409 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 00:53:31,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:53:31 ImpRootNode [2024-12-06 00:53:31,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:53:31,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:53:31,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:53:31,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:53:31,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:30" (3/4) ... [2024-12-06 00:53:31,434 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:53:31,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:53:31,436 INFO L158 Benchmark]: Toolchain (without parser) took 2101.03ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 35.6MB in the end (delta: 55.3MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:31,437 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:31,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.07ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:53:31,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.82ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:31,437 INFO L158 Benchmark]: Boogie Preprocessor took 20.11ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 66.7MB in the end (delta: 810.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:31,438 INFO L158 Benchmark]: RCFGBuilder took 288.57ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 52.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:31,438 INFO L158 Benchmark]: CodeCheck took 1262.06ms. Allocated memory is still 117.4MB. Free memory was 52.1MB in the beginning and 35.6MB in the end (delta: 16.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 00:53:31,439 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:31,441 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 14 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L765] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) [L760] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L760] RET, EXPR ldv_malloc(sizeof(int)) [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] free(q) VAL [ldv_global_msg_list={1:0}] [L761] free(q) VAL [ldv_global_msg_list={1:0}] [L761] free(q) [L765] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.07ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 69.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.82ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.11ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 66.7MB in the end (delta: 810.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.57ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 52.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1262.06ms. Allocated memory is still 117.4MB. Free memory was 52.1MB in the beginning and 35.6MB in the end (delta: 16.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:53:31,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:33,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:33,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 00:53:33,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:33,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:33,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:33,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:33,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:53:33,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:53:33,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:53:33,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:53:33,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:33,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:53:33,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:33,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:33,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:33,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:33,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:53:33,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:33,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:53:33,562 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_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 -> 9bd23263f414c48e50ed8daa5b2985179bde28a9902b6873b1962b90b4067acc [2024-12-06 00:53:33,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:33,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:33,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:33,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:33,831 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:33,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2024-12-06 00:53:36,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/1aabe482e/6192f264bbf548729e283b7fcafe3bcc/FLAG3b8ca101a [2024-12-06 00:53:36,851 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:36,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2024-12-06 00:53:36,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/1aabe482e/6192f264bbf548729e283b7fcafe3bcc/FLAG3b8ca101a [2024-12-06 00:53:36,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/data/1aabe482e/6192f264bbf548729e283b7fcafe3bcc [2024-12-06 00:53:36,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:36,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:36,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:36,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:36,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:36,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:36" (1/1) ... [2024-12-06 00:53:36,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522a9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:36, skipping insertion in model container [2024-12-06 00:53:36,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:36" (1/1) ... [2024-12-06 00:53:36,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:37,137 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,178 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,179 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:37,194 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 00:53:37,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:37,228 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,248 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,249 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:53:37,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:37,255 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:37,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:37,332 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:37,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37 WrapperNode [2024-12-06 00:53:37,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:37,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:37,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:37,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:37,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,368 INFO L138 Inliner]: procedures = 165, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 46 [2024-12-06 00:53:37,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:37,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:37,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:37,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:37,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:37,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:37,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:37,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:37,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:37,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:37,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:37,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:53:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:53:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:53:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:37,533 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:37,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:37,630 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:37,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:37,697 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:37,697 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:53:37,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:37 BoogieIcfgContainer [2024-12-06 00:53:37,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:37,698 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:37,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:37,705 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:37,705 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:37" (1/1) ... [2024-12-06 00:53:37,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:53:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:53:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:53:37,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:37,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:37,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:37,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:37,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:53:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:37,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:37,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:53:37,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:37,947 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 00:53:37,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:53:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 00:53:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 00:53:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:53:37,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:37,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:37,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:37,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:37,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:53:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:38,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:38,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2024-12-06 00:53:38,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 00:53:38,250 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:53:38,251 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:53:38,256 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:53:38,257 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:53:38,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:53:38,341 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 00:53:38,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:53:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 00:53:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 00:53:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:53:38,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:38,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:38,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:38,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:53:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:38,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:38,729 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:53:38,730 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:53:38,831 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 00:53:38,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:53:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:53:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:53:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:53:39,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:39,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:39,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:39,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:53:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:53:39,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:39,421 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:53:39,421 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:53:39,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 00:53:39,505 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 00:53:39,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:53:40,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 00:53:40,094 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 00:53:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:53:40,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:40,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:40,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:40,096 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:40,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:53:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:40,195 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:40,264 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:40,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:53:40,290 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 00:53:40,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:53:40 ImpRootNode [2024-12-06 00:53:40,312 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:53:40,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:53:40,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:53:40,313 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:53:40,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:37" (3/4) ... [2024-12-06 00:53:40,316 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:53:40,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:53:40,317 INFO L158 Benchmark]: Toolchain (without parser) took 3435.58ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 29.3MB in the end (delta: 38.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,318 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:40,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.14ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.7MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.88ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:40,319 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 68.6MB in the end (delta: -29.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,319 INFO L158 Benchmark]: RCFGBuilder took 301.79ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,319 INFO L158 Benchmark]: CodeCheck took 2613.57ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 29.3MB in the end (delta: 22.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,320 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 92.3MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:40,321 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 8 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 2 QuantifiedInterpolants, 138 SizeOfPredicates, 13 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L765] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) [L760] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L760] RET, EXPR ldv_malloc(sizeof(int)) [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] free(q) VAL [ldv_global_msg_list={1:0}] [L761] free(q) VAL [ldv_global_msg_list={1:0}] [L761] free(q) [L765] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.14ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.7MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.88ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 68.6MB in the end (delta: -29.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * RCFGBuilder took 301.79ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2613.57ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 29.3MB in the end (delta: 22.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 92.3MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:53:40,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8ec592-2ce5-46f5-a86a-372d0bea015e/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 Result: UNKNOWN: Overapproximated counterexample