./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi --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 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:16,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:16,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:19:16,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:16,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:16,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:16,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:16,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:16,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:16,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:16,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:16,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:16,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:16,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:16,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:16,987 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:16,988 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:16,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:16,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:16,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:16,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:16,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:16,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:16,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:16,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:16,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:16,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:16,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:16,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:16,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:16,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:16,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:16,997 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_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2023-11-24 22:19:17,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:17,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:17,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:17,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:17,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:17,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2023-11-24 22:19:20,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:20,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:20,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2023-11-24 22:19:20,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/data/64819c473/6fcd9ecb418947f3b4c8e02f6304e2a4/FLAG672db9896 [2023-11-24 22:19:20,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/data/64819c473/6fcd9ecb418947f3b4c8e02f6304e2a4 [2023-11-24 22:19:20,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:20,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:20,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:20,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:20,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:20,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5beacd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20, skipping insertion in model container [2023-11-24 22:19:20,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:21,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:21,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:21,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:21,451 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:21,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21 WrapperNode [2023-11-24 22:19:21,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:21,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:21,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:21,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:21,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,537 INFO L138 Inliner]: procedures = 129, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 212 [2023-11-24 22:19:21,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:21,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:21,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:21,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:21,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:21,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:21,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:21,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:21,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:21,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:21,861 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:21,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:22,119 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:22,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:22,247 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 22:19:22,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22 BoogieIcfgContainer [2023-11-24 22:19:22,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:22,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:22,250 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:22,259 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:22,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-24 22:19:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-24 22:19:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:19:22,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2023-11-24 22:19:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2023-11-24 22:19:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:19:22,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2023-11-24 22:19:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2023-11-24 22:19:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:19:23,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2023-11-24 22:19:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2023-11-24 22:19:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:19:23,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-24 22:19:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-24 22:19:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:19:24,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2023-11-24 22:19:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2023-11-24 22:19:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:19:25,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2023-11-24 22:19:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2023-11-24 22:19:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:19:27,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2023-11-24 22:19:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2023-11-24 22:19:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:19:29,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:19:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2023-11-24 22:19:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-24 22:19:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:19:30,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:19:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2023-11-24 22:19:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2023-11-24 22:19:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:19:37,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:37,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 155 transitions. [2023-11-24 22:19:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 155 transitions. [2023-11-24 22:19:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:19:48,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2023-11-24 22:19:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2023-11-24 22:19:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:19:50,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 92 states and 162 transitions. [2023-11-24 22:19:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2023-11-24 22:19:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:19:51,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:19:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 175 transitions. [2023-11-24 22:19:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2023-11-24 22:19:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:19:56,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:56,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:56,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:56,648 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2023-11-24 22:19:56,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-24 22:19:56,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-24 22:19:56,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:56 ImpRootNode [2023-11-24 22:19:56,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:56,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:56,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:56,749 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:56,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22" (3/4) ... [2023-11-24 22:19:56,750 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:19:56,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-24 22:19:56,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-24 22:19:56,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-24 22:19:56,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-24 22:19:56,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-24 22:19:56,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:19:56,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:56,879 INFO L158 Benchmark]: Toolchain (without parser) took 36032.05ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 134.8MB in the beginning and 282.8MB in the end (delta: -147.9MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,883 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:56,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.44ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 116.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.19ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 113.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,884 INFO L158 Benchmark]: Boogie Preprocessor took 43.15ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,885 INFO L158 Benchmark]: RCFGBuilder took 667.60ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 114.6MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,886 INFO L158 Benchmark]: CodeCheck took 34496.69ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 114.6MB in the beginning and 285.9MB in the end (delta: -171.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,886 INFO L158 Benchmark]: Witness Printer took 130.80ms. Allocated memory is still 346.0MB. Free memory was 285.9MB in the beginning and 282.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:56,889 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, 33 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1376 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 712 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 412 mSDsCounter, 979 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3393 IncrementalHoareTripleChecker+Invalid, 4372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 979 mSolverCounterUnsat, 300 mSDtfsCounter, 3393 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2668 GetRequests, 2339 SyntacticMatches, 37 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29508 ImplicationChecksByTransitivity, 28.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 2697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 40/88 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: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] CALL, EXPR _get_nondet_int(2, 5) [L620] int len = from; VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] RET, EXPR _get_nondet_int(2, 5) [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L628] CALL, EXPR sll_create(len) [L575] SLL head = ((void *)0); VAL [\old(len)=2, head={0:0}, len=2] [L576] EXPR len-- VAL [\old(len)=2, head={0:0}, len=1] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE, EXPR !(((void *)0) == new_head) [L581] EXPR new_head->next = head [L582] EXPR head = new_head [L576-L583] { SLL new_head = (SLL) malloc(sizeof(struct node)); if(((void *)0) == new_head) { myexit(1); } new_head->next = head; head = new_head; } VAL [\old(len)=2, head={-2:0}, len=1] [L576] EXPR len-- VAL [\old(len)=2, head={-2:0}, len=0] [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE, EXPR !(((void *)0) == new_head) [L581] EXPR new_head->next = head [L582] EXPR head = new_head [L576-L583] { SLL new_head = (SLL) malloc(sizeof(struct node)); if(((void *)0) == new_head) { myexit(1); } new_head->next = head; head = new_head; } VAL [\old(len)=2, head={-1:0}, len=0] [L576] EXPR len-- VAL [\old(len)=2, head={-1:0}, len=-1] [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] RET, EXPR sll_create(len) [L628] SLL s = sll_create(len); [L629] CALL, EXPR _get_nondet_int(0, len - 1) [L620] int len = from; VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] RET, EXPR _get_nondet_int(0, len - 1) [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; VAL [i=0, k=1, len=2, s={3220:0}] [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() VAL [i=0, k=1, len=2, s={3220:0}] [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L636] CALL, EXPR sll_length(s) [L587] int len = 0; VAL [head={-1:0}, head={-1:0}, len=0] [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] RET, EXPR sll_length(s) [L636] COND TRUE k + len != sll_length(s) [L641] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sll_nondet_insert-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.44ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 116.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.19ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 113.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.15ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.60ms. Allocated memory is still 165.7MB. Free memory was 111.8MB in the beginning and 114.6MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 34496.69ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 114.6MB in the beginning and 285.9MB in the end (delta: -171.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 130.80ms. Allocated memory is still 346.0MB. Free memory was 285.9MB in the beginning and 282.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:19:56,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51d035df-8584-4733-b299-e2d1bd537642/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)