./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk --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 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:14,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:14,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-09 00:39:14,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:39:14,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:39:14,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:14,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:14,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:14,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:14,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:14,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:14,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:39:14,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:14,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:14,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:14,908 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:39:14,911 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:39:14,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:14,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:14,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:14,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:39:14,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:14,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:14,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:14,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:14,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:14,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:14,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:14,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:14,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:14,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:14,922 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:39:14,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:39:14,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2024-11-09 00:39:15,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:15,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:15,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:15,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:15,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:15,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i Unable to find full path for "g++" [2024-11-09 00:39:17,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:17,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:17,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2024-11-09 00:39:17,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/data/a51e57e20/6b89eca27bbe41f095cb188ab742bad2/FLAGd42c96e48 [2024-11-09 00:39:17,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/data/a51e57e20/6b89eca27bbe41f095cb188ab742bad2 [2024-11-09 00:39:17,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:17,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:17,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:17,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:17,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:17,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:17" (1/1) ... [2024-11-09 00:39:17,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4be3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:17, skipping insertion in model container [2024-11-09 00:39:17,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:17" (1/1) ... [2024-11-09 00:39:17,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:18,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:18,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:18,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:18,414 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:18,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18 WrapperNode [2024-11-09 00:39:18,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:18,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:18,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:18,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:18,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,455 INFO L138 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 124 [2024-11-09 00:39:18,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:18,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:18,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:18,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:18,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:18,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:18,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:18,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:18,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:18" (1/1) ... [2024-11-09 00:39:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:18,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:18,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:39:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:39:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:39:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:18,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:18,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:18,972 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:18,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:19,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:19,049 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-09 00:39:19,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:19 BoogieIcfgContainer [2024-11-09 00:39:19,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:19,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:19,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:19,065 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:19,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:19" (1/1) ... [2024-11-09 00:39:19,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-09 00:39:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-09 00:39:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:39:19,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2024-11-09 00:39:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-09 00:39:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:39:19,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-09 00:39:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-09 00:39:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:39:19,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2024-11-09 00:39:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-09 00:39:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:39:20,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2024-11-09 00:39:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-09 00:39:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:39:22,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2024-11-09 00:39:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-09 00:39:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:39:23,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:23,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-11-09 00:39:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-11-09 00:39:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:39:25,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:25,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-09 00:39:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-09 00:39:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:39:25,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:25,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-09 00:39:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-09 00:39:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:39:25,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:25,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-11-09 00:39:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-09 00:39:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:39:27,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:27,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:39:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2024-11-09 00:39:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-09 00:39:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:39:29,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2024-11-09 00:39:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2024-11-09 00:39:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:39:32,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2024-11-09 00:39:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2024-11-09 00:39:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:39:39,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:39:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2024-11-09 00:39:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2024-11-09 00:39:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:39:40,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:40,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2024-11-09 00:39:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2024-11-09 00:39:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:39:53,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2024-11-09 00:39:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2024-11-09 00:39:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:39:57,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2024-11-09 00:40:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2024-11-09 00:40:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:40:09,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 162 transitions. [2024-11-09 00:40:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 162 transitions. [2024-11-09 00:40:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:40:15,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 111 states and 201 transitions. [2024-11-09 00:40:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2024-11-09 00:40:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:40:35,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:40:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2024-11-09 00:40:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2024-11-09 00:40:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:40:38,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:38,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:38,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:40:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:38,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:40:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:40:38,835 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-09 00:40:38,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:40:38 ImpRootNode [2024-11-09 00:40:38,867 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:40:38,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:40:38,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:40:38,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:40:38,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:19" (3/4) ... [2024-11-09 00:40:38,872 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:40:38,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:40:38,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:40:38,963 INFO L158 Benchmark]: Toolchain (without parser) took 81061.67ms. Allocated memory was 144.7MB in the beginning and 704.6MB in the end (delta: 559.9MB). Free memory was 101.0MB in the beginning and 352.6MB in the end (delta: -251.6MB). Peak memory consumption was 309.4MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,963 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:38,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.41ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 80.5MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 78.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,965 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,965 INFO L158 Benchmark]: RCFGBuilder took 562.95ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 76.7MB in the beginning and 146.1MB in the end (delta: -69.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,966 INFO L158 Benchmark]: CodeCheck took 79813.50ms. Allocated memory was 192.9MB in the beginning and 704.6MB in the end (delta: 511.7MB). Free memory was 146.1MB in the beginning and 355.8MB in the end (delta: -209.7MB). Peak memory consumption was 302.6MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,966 INFO L158 Benchmark]: Witness Printer took 94.10ms. Allocated memory is still 704.6MB. Free memory was 355.8MB in the beginning and 352.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:38,969 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, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 79.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2984 SdHoareTripleChecker+Valid, 29.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1879 mSDsluCounter, 2146 SdHoareTripleChecker+Invalid, 26.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1705 mSDsCounter, 892 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5574 IncrementalHoareTripleChecker+Invalid, 6466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 892 mSolverCounterUnsat, 441 mSDtfsCounter, 5574 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3184 GetRequests, 2673 SyntacticMatches, 81 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90966 ImplicationChecksByTransitivity, 66.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 297 ConstructedInterpolants, 0 QuantifiedInterpolants, 4458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 20/57 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 - CounterExampleResult [Line: 993]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1005] SLL* null = malloc(sizeof(SLL)); [L1006] null->colour = BLACK [L1007] null->next = ((void*)0) [L1009] SLL* list = malloc(sizeof(SLL)); [L1010] list->next = null [L1011] list->colour = BLACK [L1013] SLL* end = list; VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1016] COND TRUE __VERIFIER_nondet_int() [L1019] end->next = malloc(sizeof(SLL)) [L1020] EXPR end->next [L1020] end = end->next [L1021] end->next = null [L1023] COND FALSE !(__VERIFIER_nondet_int()) [L1029] end->colour = RED [L1030] end->next = malloc(sizeof(SLL)) [L1031] EXPR end->next [L1031] end = end->next [L1032] end->next = null [L1033] end->colour = BLACK VAL [end={3381:0}, list={18212:0}, null={3379:0}] [L1016] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1042] EXPR end->colour VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1044] COND FALSE !(null != end) VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1044] COND TRUE null != end [L1046] EXPR end->colour VAL [end={18212:0}, list={18212:0}, null={3379:0}] [L1046] COND FALSE !(RED == end->colour) [L1053] EXPR end->next [L1053] end = end->next [L1044] COND FALSE !(null != end) VAL [end={3380:0}, list={18212:0}, null={3379:0}] [L1044] COND TRUE null != end [L1046] EXPR end->colour VAL [end={3380:0}, list={18212:0}, null={3379:0}] [L1046] COND TRUE RED == end->colour [L1048] EXPR end->next [L1048] end = end->next [L1049] COND FALSE !(!(null != end)) VAL [end={3381:0}, list={18212:0}, null={3379:0}] [L1050] EXPR end->colour VAL [end={3381:0}, list={18212:0}, null={3379:0}] [L1050] COND TRUE !(BLACK != end->colour) [L1050] CALL reach_error() [L993] COND FALSE !(0) [L993] __assert_fail ("0", "sll-rb-sentinel-2.c", 13, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.41ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 80.5MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 78.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.95ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 76.7MB in the beginning and 146.1MB in the end (delta: -69.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 79813.50ms. Allocated memory was 192.9MB in the beginning and 704.6MB in the end (delta: 511.7MB). Free memory was 146.1MB in the beginning and 355.8MB in the end (delta: -209.7MB). Peak memory consumption was 302.6MB. Max. memory is 16.1GB. * Witness Printer took 94.10ms. Allocated memory is still 704.6MB. Free memory was 355.8MB in the beginning and 352.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:40:39,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312f5caf-9ac6-464e-96ca-c4d339b438ce/bin/ukojak-verify-ImItNfHLgk/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)