./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_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_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/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_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/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_0071f47e-bc4d-429a-83b8-c16c033fab19/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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:23,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:23,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:16:23,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:16:23,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:16:23,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:23,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:23,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:16:23,607 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:23,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:23,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:23,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:23,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:23,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:23,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:16:23,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:16:23,609 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_0071f47e-bc4d-429a-83b8-c16c033fab19/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 -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-12-06 05:16:23,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:23,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:23,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:23,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:23,879 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:23,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-12-06 05:16:26,548 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/664877df3/eeb2c664793242468e666bb786563edd/FLAG5eb1ffe1a [2024-12-06 05:16:26,786 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:26,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-12-06 05:16:26,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/664877df3/eeb2c664793242468e666bb786563edd/FLAG5eb1ffe1a [2024-12-06 05:16:26,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/664877df3/eeb2c664793242468e666bb786563edd [2024-12-06 05:16:26,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:26,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:26,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:26,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:26,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:26,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:26" (1/1) ... [2024-12-06 05:16:26,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5507394b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:26, skipping insertion in model container [2024-12-06 05:16:26,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:26" (1/1) ... [2024-12-06 05:16:26,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:27,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:27,123 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:27,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:27,205 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:27,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27 WrapperNode [2024-12-06 05:16:27,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:27,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:27,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:27,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:27,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,242 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 71 [2024-12-06 05:16:27,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:27,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:27,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:27,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:27,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,257 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:27,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:27,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:27,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:27,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:27,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:27,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:16:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:16:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:16:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:16:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:16:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:16:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:27,392 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:27,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:27,504 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:27,504 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:27,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:27,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:16:27,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:27 BoogieIcfgContainer [2024-12-06 05:16:27,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:27,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:27,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:27,571 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:27,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:27" (1/1) ... [2024-12-06 05:16:27,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-12-06 05:16:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 05:16:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:27,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:27,839 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 05:16:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 05:16:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 05:16:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:16:27,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:27,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:28,141 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 05:16:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-06 05:16:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-06 05:16:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:16:28,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:28,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:28,713 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 05:16:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 05:16:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 05:16:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:16:29,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:29,613 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 05:16:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 05:16:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 05:16:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:30,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:30,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:30,163 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 05:16:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-12-06 05:16:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-12-06 05:16:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:16:31,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:31,030 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:31,081 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:31,107 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-06 05:16:31,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:16:31 ImpRootNode [2024-12-06 05:16:31,127 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:16:31,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:16:31,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:16:31,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:16:31,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:27" (3/4) ... [2024-12-06 05:16:31,130 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:16:31,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:16:31,132 INFO L158 Benchmark]: Toolchain (without parser) took 4315.44ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 72.9MB in the end (delta: 41.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-06 05:16:31,132 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:31,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.59ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 92.7MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:16:31,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.74ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:31,133 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:31,134 INFO L158 Benchmark]: RCFGBuilder took 296.43ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 72.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:16:31,134 INFO L158 Benchmark]: CodeCheck took 3565.32ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 72.9MB in the end (delta: -692.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:31,134 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:31,136 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 302 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 22 mSDtfsCounter, 302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 778]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 778. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L779] CALL entry_point() [L761] int len = 10; [L762] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) [L762] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L763] struct A18 *p; [L764] int i=0; [L765] int j; VAL [array={-1:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L766] COND FALSE !(!array) VAL [array={-1:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L767] COND TRUE i=0) VAL [array={-1:0}, ldv_global_msg_list={1:0}, len=10] [L779] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.59ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 92.7MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.74ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.43ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 72.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3565.32ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 72.9MB in the end (delta: -692.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 17.7kB). 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 05:16:31,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/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_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/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_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/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_0071f47e-bc4d-429a-83b8-c16c033fab19/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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:33,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:33,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 05:16:33,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:33,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:33,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:33,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:33,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:16:33,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:16:33,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:16:33,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:33,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:16:33,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:33,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:33,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:33,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:33,234 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:16:33,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:33,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:16:33,234 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_0071f47e-bc4d-429a-83b8-c16c033fab19/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 -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-12-06 05:16:33,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:33,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:33,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:33,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:33,532 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:33,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-12-06 05:16:36,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/a9e7aa181/2940da852abf43a6bc4b62ba67e361bf/FLAGe15e298f1 [2024-12-06 05:16:36,424 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:36,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-12-06 05:16:36,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/a9e7aa181/2940da852abf43a6bc4b62ba67e361bf/FLAGe15e298f1 [2024-12-06 05:16:36,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/data/a9e7aa181/2940da852abf43a6bc4b62ba67e361bf [2024-12-06 05:16:36,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:36,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:36,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:36,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:36,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:36,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2344bb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36, skipping insertion in model container [2024-12-06 05:16:36,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:36,730 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 05:16:36,773 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 05:16:36,774 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 05:16:36,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:36,793 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 05:16:36,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:36,825 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 05:16:36,843 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 05:16:36,844 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 05:16:36,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:36,852 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:36,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:36,932 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:36,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36 WrapperNode [2024-12-06 05:16:36,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:36,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:36,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:36,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:36,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,972 INFO L138 Inliner]: procedures = 165, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 70 [2024-12-06 05:16:36,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:36,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:36,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:36,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:36,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:36,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:36,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:36,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:36,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:36,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:36" (1/1) ... [2024-12-06 05:16:37,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:37,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:37,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:16:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:37,150 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:37,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:37,326 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:37,326 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:37,389 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:37,390 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:16:37,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:37 BoogieIcfgContainer [2024-12-06 05:16:37,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:37,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:37,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:37,401 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:37,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:37" (1/1) ... [2024-12-06 05:16:37,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-12-06 05:16:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 05:16:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:37,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:37,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:37,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:37,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:16:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:16:37,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:37,675 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:16:37,676 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 05:16:37,755 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 05:16:37,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:16:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 05:16:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 05:16:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:16:37,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:37,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:37,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:37,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:37,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:16:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:16:37,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:38,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 05:16:38,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 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 05:16:38,332 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 05:16:38,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-06 05:16:38,660 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 05:16:38,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:16:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-12-06 05:16:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-06 05:16:39,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:16:39,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:39,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:39,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:39,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:16:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:39,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:39,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:39,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:39,507 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 12 treesize of output 11 [2024-12-06 05:16:39,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 05:16:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:16:39,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-06 05:16:39,870 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 05:16:39,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 42 [2024-12-06 05:16:40,099 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 05:16:40,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:16:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 05:16:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 05:16:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:16:41,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:41,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:41,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:41,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:16:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:41,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:41,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:16:41,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:41,839 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 05:16:41,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:16:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-12-06 05:16:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-12-06 05:16:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:42,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:42,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:42,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:42,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:42,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:16:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:42,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:42,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:16:42,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:42,853 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 05:16:42,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:16:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 05:16:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 05:16:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:16:43,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:43,033 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:43,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:16:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:43,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:43,187 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:43,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:16:43,214 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-06 05:16:43,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:16:43 ImpRootNode [2024-12-06 05:16:43,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:16:43,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:16:43,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:16:43,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:16:43,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:37" (3/4) ... [2024-12-06 05:16:43,237 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:16:43,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:16:43,239 INFO L158 Benchmark]: Toolchain (without parser) took 6784.11ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 67.7MB in the beginning and 55.4MB in the end (delta: 12.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-12-06 05:16:43,239 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:43,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.33ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 40.0MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:16:43,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.20ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 68.0MB in the end (delta: -28.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 05:16:43,241 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:43,241 INFO L158 Benchmark]: RCFGBuilder took 392.93ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 45.9MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:16:43,241 INFO L158 Benchmark]: CodeCheck took 5842.02ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 45.9MB in the beginning and 55.4MB in the end (delta: -9.5MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-06 05:16:43,242 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:43,243 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 22 mSDtfsCounter, 327 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 1 QuantifiedInterpolants, 325 SizeOfPredicates, 13 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 778]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 778. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L779] CALL entry_point() [L761] int len = 10; [L762] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) [L762] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L763] struct A18 *p; [L764] int i=0; [L765] int j; VAL [array={2:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L766] COND FALSE !(!array) VAL [array={2:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L767] COND TRUE i=0) VAL [array={2:0}, ldv_global_msg_list={1:0}, len=10] [L779] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.33ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 40.0MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.20ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 68.0MB in the end (delta: -28.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.93ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 45.9MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5842.02ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 45.9MB in the beginning and 55.4MB in the end (delta: -9.5MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 36.9kB). 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 05:16:43,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0071f47e-bc4d-429a-83b8-c16c033fab19/bin/ukojak-verify-CZk0znPC7b/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 Result: UNKNOWN: Overapproximated counterexample