./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/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_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:57:08,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:57:08,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-12-05 21:57:08,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:57:08,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:57:08,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:57:08,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:57:08,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:57:08,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:57:08,292 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:57:08,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:57:08,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:57:08,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:57:08,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:57:08,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:57:08,294 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:57:08,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:57:08,294 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_04b22926-91d3-49c6-81e1-b27962dbb6f1/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-memcleanup) ) 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 -> dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee [2024-12-05 21:57:08,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:57:08,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:57:08,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:57:08,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:57:08,546 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:57:08,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-01-1.i [2024-12-05 21:57:11,190 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/data/27984403d/cdf888f045de4ca8b121e05255a9198c/FLAG8c52badef [2024-12-05 21:57:11,423 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:57:11,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/sv-benchmarks/c/forester-heap/dll-01-1.i [2024-12-05 21:57:11,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/data/27984403d/cdf888f045de4ca8b121e05255a9198c/FLAG8c52badef [2024-12-05 21:57:11,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/data/27984403d/cdf888f045de4ca8b121e05255a9198c [2024-12-05 21:57:11,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:57:11,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:57:11,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:57:11,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:57:11,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:57:11,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47121662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11, skipping insertion in model container [2024-12-05 21:57:11,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:57:11,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:57:11,701 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:57:11,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:57:11,763 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:57:11,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11 WrapperNode [2024-12-05 21:57:11,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:57:11,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:57:11,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:57:11,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:57:11,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,799 INFO L138 Inliner]: procedures = 119, calls = 57, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 237 [2024-12-05 21:57:11,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:57:11,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:57:11,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:57:11,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:57:11,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:57:11,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:57:11,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:57:11,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:57:11,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:57:11" (1/1) ... [2024-12-05 21:57:11,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:57:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:57:11,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:57:11,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:57:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:57:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:57:11,965 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:57:11,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:57:12,248 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-05 21:57:12,248 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:57:12,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:57:12,314 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-12-05 21:57:12,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:12 BoogieIcfgContainer [2024-12-05 21:57:12,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:57:12,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:57:12,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:57:12,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:57:12,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:12" (1/1) ... [2024-12-05 21:57:12,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:57:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 159 transitions. [2024-12-05 21:57:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-12-05 21:57:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:57:12,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:12,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2024-12-05 21:57:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2024-12-05 21:57:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:57:12,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:12,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2024-12-05 21:57:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2024-12-05 21:57:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:57:12,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2024-12-05 21:57:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-12-05 21:57:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:57:12,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:12,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2024-12-05 21:57:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2024-12-05 21:57:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:57:13,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2024-12-05 21:57:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2024-12-05 21:57:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:57:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2024-12-05 21:57:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2024-12-05 21:57:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:57:13,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:13,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2024-12-05 21:57:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2024-12-05 21:57:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:57:14,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:14,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2024-12-05 21:57:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-12-05 21:57:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:57:14,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:14,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2024-12-05 21:57:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-12-05 21:57:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:57:14,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:14,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2024-12-05 21:57:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-12-05 21:57:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:57:14,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:57:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 92 states and 130 transitions. [2024-12-05 21:57:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2024-12-05 21:57:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:57:14,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:14,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 102 states and 145 transitions. [2024-12-05 21:57:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-12-05 21:57:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:57:18,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:18,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:57:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2024-12-05 21:57:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-12-05 21:57:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:57:18,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:18,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:57:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2024-12-05 21:57:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-12-05 21:57:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:57:18,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:57:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2024-12-05 21:57:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2024-12-05 21:57:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:57:22,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:22,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:57:22,936 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:57:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:57:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:57:23,061 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:57:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:57:23,142 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-12-05 21:57:23,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:57:23 ImpRootNode [2024-12-05 21:57:23,171 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:57:23,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:57:23,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:57:23,172 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:57:23,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:57:12" (3/4) ... [2024-12-05 21:57:23,173 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:57:23,206 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 19. [2024-12-05 21:57:23,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:57:23,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:57:23,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:57:23,253 INFO L158 Benchmark]: Toolchain (without parser) took 11798.80ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.9MB in the beginning and 369.1MB in the end (delta: -252.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-05 21:57:23,253 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:23,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.61ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 98.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:57:23,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:23,254 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:57:23,255 INFO L158 Benchmark]: RCFGBuilder took 483.06ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 64.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:57:23,255 INFO L158 Benchmark]: CodeCheck took 10855.95ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.9MB in the beginning and 375.7MB in the end (delta: -310.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:23,255 INFO L158 Benchmark]: Witness Printer took 80.31ms. Allocated memory is still 427.8MB. Free memory was 371.5MB in the beginning and 369.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:57:23,257 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, 102 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2292 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 698 mSDsluCounter, 1085 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1742 IncrementalHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 508 mSDtfsCounter, 1742 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1930 GetRequests, 1771 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8813 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 1462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 5/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 992]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1003] SLL* list = malloc(sizeof(SLL)); [L1004] list->next = ((void*)0) [L1005] list->prev = ((void*)0) VAL [list={23922:0}] [L1006] COND FALSE !(!(list != ((void*)0))) VAL [list={23922:0}] [L1006] COND FALSE !(0) VAL [list={23922:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1006] list->inner = malloc(sizeof(SLL)) [L1006] EXPR list->inner [L1006] list->inner->next = ((void*)0) [L1006] EXPR list->inner [L1006] list->inner->inner = ((void*)0) [L1006] EXPR list->inner [L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={23922:0}] [L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] COND FALSE !(0) VAL [list={23922:0}] [L1008] SLL* end = list; VAL [end={23922:0}, list={23922:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1022] end = ((void*)0) [L1023] end = list VAL [end={23922:0}, list={23922:0}] [L1026] COND FALSE !(!(((void*)0) != end)) VAL [end={23922:0}, list={23922:0}] [L1026] COND FALSE !(0) VAL [end={23922:0}, list={23922:0}] [L1028] COND TRUE ((void*)0) != end [L1030] int len = 0; [L1031] EXPR end->inner [L1031] SLL* inner = end->inner; [L1032] COND TRUE ((void*)0) != inner [L1034] COND TRUE len == 0 [L1035] len = 1 VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1038] COND FALSE !(!(((void*)0) != inner)) VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1038] COND FALSE !(0) VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1039] EXPR inner->inner VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1039] COND FALSE !(!(((void*)0) == inner->inner)) [L1039] COND FALSE !(0) VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1040] EXPR inner->next VAL [end={23922:0}, inner={23923:0}, len=1, list={23922:0}] [L1040] COND TRUE !(((void*)0) != inner->next) [L1040] CALL reach_error() [L992] COND FALSE !(0) [L992] __assert_fail ("0", "dll-01-1.c", 12, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.61ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 98.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 94.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 483.06ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 64.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 10855.95ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.9MB in the beginning and 375.7MB in the end (delta: -310.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.31ms. Allocated memory is still 427.8MB. Free memory was 371.5MB in the beginning and 369.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:57:23,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04b22926-91d3-49c6-81e1-b27962dbb6f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)