./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_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-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 [2024-11-25 04:11:29,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:11:29,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-25 04:11:29,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:11:29,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:11:29,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:11:29,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:11:29,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:11:29,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:11:29,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:11:29,224 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:11:29,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:11:29,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:11:29,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:11:29,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:11:29,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:11:29,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:11:29,227 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:11:29,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:11:29,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:11:29,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:11:29,227 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:11:29,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:11:29,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:29,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:11:29,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:11:29,228 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:11:29,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:11:29,228 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_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-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 [2024-11-25 04:11:29,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:11:29,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:11:29,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:11:29,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:11:29,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:11:29,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/forester-heap/dll-01-1.i [2024-11-25 04:11:32,492 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/data/70d2d42da/21dc166e518041f08086e026bb628216/FLAGceb80dc06 [2024-11-25 04:11:32,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:11:32,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/sv-benchmarks/c/forester-heap/dll-01-1.i [2024-11-25 04:11:32,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/data/70d2d42da/21dc166e518041f08086e026bb628216/FLAGceb80dc06 [2024-11-25 04:11:32,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/data/70d2d42da/21dc166e518041f08086e026bb628216 [2024-11-25 04:11:32,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:11:32,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:11:32,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:32,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:11:32,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:11:32,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:32" (1/1) ... [2024-11-25 04:11:32,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0b4757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:32, skipping insertion in model container [2024-11-25 04:11:32,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:32" (1/1) ... [2024-11-25 04:11:32,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:11:33,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:33,345 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:11:33,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:33,417 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:11:33,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33 WrapperNode [2024-11-25 04:11:33,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:33,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:33,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:11:33,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:11:33,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,474 INFO L138 Inliner]: procedures = 119, calls = 57, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 237 [2024-11-25 04:11:33,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:33,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:11:33,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:11:33,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:11:33,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,512 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:11:33,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:11:33,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:11:33,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:11:33,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:33" (1/1) ... [2024-11-25 04:11:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:33,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:11:33,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:11:33,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:11:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:11:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:11:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 04:11:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 04:11:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:11:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:11:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:11:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:11:33,711 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:11:33,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:11:34,229 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-25 04:11:34,231 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:11:34,368 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:11:34,368 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-25 04:11:34,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:34 BoogieIcfgContainer [2024-11-25 04:11:34,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:11:34,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:11:34,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:11:34,380 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:11:34,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:34" (1/1) ... [2024-11-25 04:11:34,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:11:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 159 transitions. [2024-11-25 04:11:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-11-25 04:11:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:11:34,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2024-11-25 04:11:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2024-11-25 04:11:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:11:34,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:34,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2024-11-25 04:11:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2024-11-25 04:11:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:11:35,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2024-11-25 04:11:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-11-25 04:11:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:11:35,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:35,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2024-11-25 04:11:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2024-11-25 04:11:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:11:36,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2024-11-25 04:11:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2024-11-25 04:11:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:11:36,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2024-11-25 04:11:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2024-11-25 04:11:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:11:37,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2024-11-25 04:11:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2024-11-25 04:11:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:11:37,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:37,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2024-11-25 04:11:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-11-25 04:11:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:11:37,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2024-11-25 04:11:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-11-25 04:11:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:37,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2024-11-25 04:11:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-11-25 04:11:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:11:38,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:38,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:11:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 92 states and 130 transitions. [2024-11-25 04:11:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2024-11-25 04:11:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:11:38,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:38,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 102 states and 145 transitions. [2024-11-25 04:11:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-11-25 04:11:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:11:42,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:42,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:11:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2024-11-25 04:11:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2024-11-25 04:11:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:11:43,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:11:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2024-11-25 04:11:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-11-25 04:11:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:11:43,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:11:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2024-11-25 04:11:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-11-25 04:11:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:11:43,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:11:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2024-11-25 04:11:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2024-11-25 04:11:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:11:49,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:49,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:49,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:49,413 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:49,514 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2024-11-25 04:11:49,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:11:49 ImpRootNode [2024-11-25 04:11:49,570 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:11:49,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:11:49,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:11:49,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:11:49,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:34" (3/4) ... [2024-11-25 04:11:49,572 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:11:49,632 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 19. [2024-11-25 04:11:49,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:11:49,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:11:49,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:11:49,705 INFO L158 Benchmark]: Toolchain (without parser) took 16814.61ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.3MB in the beginning and 229.0MB in the end (delta: -135.8MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2024-11-25 04:11:49,705 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:49,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.01ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:11:49,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.65ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:49,707 INFO L158 Benchmark]: Boogie Preprocessor took 51.79ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:49,708 INFO L158 Benchmark]: RCFGBuilder took 837.84ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 41.1MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:11:49,709 INFO L158 Benchmark]: CodeCheck took 15200.75ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 41.1MB in the beginning and 233.0MB in the end (delta: -191.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-11-25 04:11:49,710 INFO L158 Benchmark]: Witness Printer took 133.50ms. Allocated memory is still 352.3MB. Free memory was 233.0MB in the beginning and 229.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:49,712 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: 15.1s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2547 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 793 mSDsluCounter, 1211 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 653 mSDsCounter, 458 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1970 IncrementalHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 458 mSolverCounterUnsat, 558 mSDtfsCounter, 1970 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2095 GetRequests, 1936 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8813 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 7/8 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={9124:0}] [L1006] COND FALSE !(!(list != ((void*)0))) VAL [list={9124:0}] [L1006] COND FALSE !(0) VAL [list={9124:0}] [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={9124:0}] [L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] COND FALSE !(0) VAL [list={9124:0}] [L1008] SLL* end = list; VAL [end={9124:0}, list={9124:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1022] end = ((void*)0) [L1023] end = list VAL [end={9124:0}, list={9124:0}] [L1026] COND FALSE !(!(((void*)0) != end)) VAL [end={9124:0}, list={9124:0}] [L1026] COND FALSE !(0) VAL [end={9124:0}, list={9124:0}] [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={9124:0}, inner={9123:0}, len=1, list={9124:0}] [L1038] COND FALSE !(!(((void*)0) != inner)) VAL [end={9124:0}, inner={9123:0}, len=1, list={9124:0}] [L1038] COND FALSE !(0) VAL [end={9124:0}, inner={9123:0}, len=1, list={9124:0}] [L1039] EXPR inner->inner VAL [end={9124:0}, inner={9123:0}, len=1, list={9124:0}] [L1039] COND FALSE !(!(((void*)0) == inner->inner)) [L1039] COND FALSE !(0) VAL [end={9124:0}, inner={9123:0}, len=1, list={9124:0}] [L1040] EXPR inner->next VAL [end={9124:0}, inner={9123:0}, len=1, list={9124:0}] [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 0.65ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.01ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.65ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.79ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 837.84ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 41.1MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 15200.75ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 41.1MB in the beginning and 233.0MB in the end (delta: -191.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 133.50ms. Allocated memory is still 352.3MB. Free memory was 233.0MB in the beginning and 229.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:11:49,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_076b5fe0-4b95-408b-99ac-a8b625dfe833/bin/ukojak-verify-ENZ3QT5qd3/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)