./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.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_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/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_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/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_f1c6979a-148e-4099-8c8d-158402a7db9a/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 c03aa9fd4feebd47970076773e3fcb11c7b82646fa9d57d8ea4dde0614545dfa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:22:29,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:22:29,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:22:29,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:22:29,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:22:29,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:22:29,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:22:29,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:22:29,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:22:29,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:22:29,463 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:22:29,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:22:29,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:22:29,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:22:29,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:22:29,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:22:29,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:29,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:22:29,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:22:29,464 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:22:29,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:22:29,464 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_f1c6979a-148e-4099-8c8d-158402a7db9a/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 -> c03aa9fd4feebd47970076773e3fcb11c7b82646fa9d57d8ea4dde0614545dfa [2024-12-06 01:22:29,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:22:29,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:22:29,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:22:29,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:22:29,683 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:22:29,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2024-12-06 01:22:32,275 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/data/c09c570b3/867d3418bfdb40c4991050a49aeab0ff/FLAG0aa5467a7 [2024-12-06 01:22:32,524 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:22:32,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2024-12-06 01:22:32,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/data/c09c570b3/867d3418bfdb40c4991050a49aeab0ff/FLAG0aa5467a7 [2024-12-06 01:22:32,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/data/c09c570b3/867d3418bfdb40c4991050a49aeab0ff [2024-12-06 01:22:32,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:22:32,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:22:32,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:32,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:22:32,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:22:32,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:32" (1/1) ... [2024-12-06 01:22:32,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ff0dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:32, skipping insertion in model container [2024-12-06 01:22:32,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:32" (1/1) ... [2024-12-06 01:22:32,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:22:33,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:33,175 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:22:33,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:33,259 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:22:33,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33 WrapperNode [2024-12-06 01:22:33,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:33,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:33,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:22:33,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:22:33,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,293 INFO L138 Inliner]: procedures = 169, calls = 73, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 49 [2024-12-06 01:22:33,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:33,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:22:33,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:22:33,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:22:33,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:22:33,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:22:33,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:22:33,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:22:33,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:22:33,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:22:33,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:22:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:22:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:22:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:22:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:22:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:22:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:22:33,446 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:22:33,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:22:33,533 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 01:22:33,533 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:22:33,598 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:22:33,598 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:22:33,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:33 BoogieIcfgContainer [2024-12-06 01:22:33,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:22:33,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:22:33,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:22:33,608 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:22:33,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:33" (1/1) ... [2024-12-06 01:22:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:22:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:22:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:22:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:22:33,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:33,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:33,987 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 01:22:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 01:22:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 01:22:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:22:34,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:34,221 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 01:22:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 01:22:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 01:22:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:22:34,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:34,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:34,573 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 01:22:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:22:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:22:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:22:34,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:34,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:34,922 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 01:22:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 01:22:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 01:22:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:22:35,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:35,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:35,554 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 01:22:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-06 01:22:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-06 01:22:36,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:22:36,187 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 01:22:36,194 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 01:22:36,230 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:22:36,230 INFO L77 FloydHoareUtils]: At program point L789(lines 789 791) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 01:22:36,230 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 781) no Hoare annotation was computed. [2024-12-06 01:22:36,230 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 781) no Hoare annotation was computed. [2024-12-06 01:22:36,230 INFO L77 FloydHoareUtils]: At program point L781(line 781) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_free_20_~p~1#1.base|) 1) (= |ULTIMATE.start_free_20_~p~1#1.offset| 0) (< |ULTIMATE.start_free_20_~p~1#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_20_~p~1#1.base| 0))) [2024-12-06 01:22:36,230 INFO L77 FloydHoareUtils]: At program point L781-1(line 781) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_free_20_~p~1#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_free_20_~p~1#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_20_~p~1#1.base| 0))) [2024-12-06 01:22:36,230 INFO L77 FloydHoareUtils]: At program point L779(lines 779 782) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_free_20_~dev~0#1.offset| 0))) (let ((.cse0 (< |ULTIMATE.start_free_20_~dev~0#1.offset| 1)) (.cse2 (and .cse1 (= |ULTIMATE.start_free_20_~dev~0#1.base| 0)))) (and (or (< |ULTIMATE.start_free_20_~dev~0#1.base| |#StackHeapBarrier|) .cse0) (or (not .cse1) (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (or (= (select |#valid| |ULTIMATE.start_free_20_~dev~0#1.base|) 1) .cse0) (or (= |ULTIMATE.start_free_20_~dev~0#1.offset| 4) .cse2) (or (= (store |#valid| |ULTIMATE.start_free_20_~dev~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) .cse2)))) [2024-12-06 01:22:36,231 INFO L77 FloydHoareUtils]: At program point L781-2(line 781) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_free_20_~p~1#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_20_~p~1#1.base| 0))) [2024-12-06 01:22:36,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 789 791) no Hoare annotation was computed. [2024-12-06 01:22:36,231 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:22:36,231 INFO L77 FloydHoareUtils]: At program point L777(lines 777 783) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 01:22:36,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 781) no Hoare annotation was computed. [2024-12-06 01:22:36,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:22:36 ImpRootNode [2024-12-06 01:22:36,237 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:22:36,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:22:36,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:22:36,237 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:22:36,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:33" (3/4) ... [2024-12-06 01:22:36,240 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:22:36,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-06 01:22:36,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 01:22:36,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 01:22:36,312 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:22:36,312 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:22:36,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:22:36,313 INFO L158 Benchmark]: Toolchain (without parser) took 3457.47ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 71.0MB in the end (delta: 45.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-06 01:22:36,313 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:36,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.94ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 93.9MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:22:36,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.07ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:36,314 INFO L158 Benchmark]: Boogie Preprocessor took 18.55ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.0MB in the end (delta: 887.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:36,314 INFO L158 Benchmark]: RCFGBuilder took 284.86ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 73.9MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:36,315 INFO L158 Benchmark]: CodeCheck took 2637.87ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 75.7MB in the end (delta: -1.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-12-06 01:22:36,315 INFO L158 Benchmark]: Witness Printer took 74.82ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 71.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:36,316 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: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 0 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 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 - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 789]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.94ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 93.9MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.07ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.55ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.0MB in the end (delta: 887.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.86ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 73.9MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2637.87ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 75.7MB in the end (delta: -1.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 74.82ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 71.0MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:22:36,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6979a-148e-4099-8c8d-158402a7db9a/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: TRUE