./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-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_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/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_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/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_cc4c3148-156d-4730-bc08-4e7e9cff76d3/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 528fbc32d9aa1d8a4eedfd9ab07830e3af97eea6ef37fe4df10e8aa3c9d21936 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:47:44,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:47:44,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-12-06 03:47:44,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:47:44,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:47:44,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:47:44,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:47:44,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:47:44,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 03:47:44,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:47:44,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:47:44,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:47:44,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:47:44,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:44,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:47:44,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:47:44,808 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:47:44,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:47:44,808 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_cc4c3148-156d-4730-bc08-4e7e9cff76d3/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 -> 528fbc32d9aa1d8a4eedfd9ab07830e3af97eea6ef37fe4df10e8aa3c9d21936 [2024-12-06 03:47:45,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:47:45,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:47:45,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:47:45,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:47:45,027 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:47:45,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2024-12-06 03:47:47,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/data/b1c99aa57/f0dce152a2d44e9999b1b05e69d8b858/FLAGc9bb7402d [2024-12-06 03:47:47,950 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:47:47,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2024-12-06 03:47:47,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/data/b1c99aa57/f0dce152a2d44e9999b1b05e69d8b858/FLAGc9bb7402d [2024-12-06 03:47:47,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/data/b1c99aa57/f0dce152a2d44e9999b1b05e69d8b858 [2024-12-06 03:47:47,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:47:47,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:47:47,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:47,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:47:47,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:47:47,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:47" (1/1) ... [2024-12-06 03:47:47,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7939394f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:47, skipping insertion in model container [2024-12-06 03:47:47,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:47:47" (1/1) ... [2024-12-06 03:47:48,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:47:48,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:48,247 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:47:48,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:47:48,306 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:47:48,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48 WrapperNode [2024-12-06 03:47:48,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:47:48,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:48,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:47:48,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:47:48,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,342 INFO L138 Inliner]: procedures = 125, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2024-12-06 03:47:48,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:47:48,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:47:48,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:47:48,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:47:48,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:47:48,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:47:48,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:47:48,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:47:48,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:47:48,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:47:48,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:47:48,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:47:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:47:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:47:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:47:48,497 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:47:48,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:47:48,626 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 03:47:48,626 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:47:48,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:47:48,672 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:47:48,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:48 BoogieIcfgContainer [2024-12-06 03:47:48,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:47:48,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:47:48,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:47:48,681 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:47:48,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:48" (1/1) ... [2024-12-06 03:47:48,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:47:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-06 03:47:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-06 03:47:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:47:48,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:48,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:47:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-06 03:47:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-06 03:47:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:47:48,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:48,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:47:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 03:47:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 03:47:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:47:49,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:49,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:47:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 03:47:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 03:47:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:47:49,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:49,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:47:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-12-06 03:47:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-12-06 03:47:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:47:49,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:47:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-06 03:47:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-06 03:47:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:47:50,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:47:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2024-12-06 03:47:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2024-12-06 03:47:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:47:50,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:50,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:47:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2024-12-06 03:47:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2024-12-06 03:47:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:47:51,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:51,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:47:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2024-12-06 03:47:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-12-06 03:47:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:47:51,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:47:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-12-06 03:47:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-12-06 03:47:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:47:52,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:52,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 03:47:53,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-12-06 03:47:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-12-06 03:47:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:47:53,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:53,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:47:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2024-12-06 03:47:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2024-12-06 03:47:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:47:54,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:54,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:47:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2024-12-06 03:47:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2024-12-06 03:47:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:47:55,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 03:47:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2024-12-06 03:47:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2024-12-06 03:47:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:47:56,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:47:58,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 114 transitions. [2024-12-06 03:47:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2024-12-06 03:47:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:47:58,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:47:58,106 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:47:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:47:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:47:58,181 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:47:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:47:58,229 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-12-06 03:47:58,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:47:58 ImpRootNode [2024-12-06 03:47:58,256 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:47:58,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:47:58,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:47:58,257 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:47:58,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:47:48" (3/4) ... [2024-12-06 03:47:58,258 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:47:58,296 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 20. [2024-12-06 03:47:58,352 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:47:58,353 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:47:58,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:47:58,354 INFO L158 Benchmark]: Toolchain (without parser) took 10378.09ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 115.8MB in the beginning and 183.4MB in the end (delta: -67.6MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-12-06 03:47:58,354 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:58,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.67ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:47:58,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.00ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:58,355 INFO L158 Benchmark]: Boogie Preprocessor took 20.62ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:58,355 INFO L158 Benchmark]: RCFGBuilder took 308.75ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 79.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:47:58,355 INFO L158 Benchmark]: CodeCheck took 9582.76ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.8MB in the beginning and 190.8MB in the end (delta: -111.1MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-12-06 03:47:58,356 INFO L158 Benchmark]: Witness Printer took 96.62ms. Allocated memory is still 327.2MB. Free memory was 190.8MB in the beginning and 183.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:47:58,357 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 858 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 355 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2624 IncrementalHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 787 mSolverCounterUnsat, 124 mSDtfsCounter, 2624 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1820 GetRequests, 1615 SyntacticMatches, 15 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13556 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 525 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 43/71 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: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L603] int len = 2; VAL [len=2] [L604] len < 32 && __VERIFIER_nondet_int() [L604] len < 32 && __VERIFIER_nondet_int() VAL [len=2] [L604] COND FALSE !(len < 32 && __VERIFIER_nondet_int()) [L607] CALL, EXPR sll_create(len + 1) [L575] SLL head = ((void *)0); VAL [head={0:0}, len=3] [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND TRUE len > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L583] len-- [L576] COND FALSE !(len > 0) [L585] return head; [L607] RET, EXPR sll_create(len + 1) [L607] SLL s = sll_create(len + 1); [L608] CALL, EXPR sll_length(s) [L588] int len = 0; VAL [head={12260:0}, len=0] [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND TRUE \read(head) [L590] len++ [L591] EXPR head->next [L591] head = head->next [L589] COND FALSE !(\read(head)) [L593] return len; [L608] RET, EXPR sll_length(s) [L608] COND TRUE len != sll_length(s) [L613] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sll_length_check-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.67ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.00ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.62ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 96.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.75ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 79.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9582.76ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.8MB in the beginning and 190.8MB in the end (delta: -111.1MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Witness Printer took 96.62ms. Allocated memory is still 327.2MB. Free memory was 190.8MB in the beginning and 183.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:47:58,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4c3148-156d-4730-bc08-4e7e9cff76d3/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)