./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL --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 be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:40,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:40,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:20:40,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:40,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:40,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:40,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:40,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:40,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:40,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:40,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:40,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:40,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:40,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:40,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:40,838 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:20:40,839 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:20:40,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:40,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:40,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:40,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:40,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:40,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:40,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:40,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:40,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:40,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:40,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:40,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:40,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:40,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:40,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:40,848 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_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 [2023-11-19 03:20:41,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:41,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:41,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:41,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:41,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:41,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2023-11-19 03:20:44,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:44,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:44,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2023-11-19 03:20:45,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/data/f6181c42b/209bd6575c104e1489ac7b784c81c43b/FLAG1e2f3043e [2023-11-19 03:20:45,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/data/f6181c42b/209bd6575c104e1489ac7b784c81c43b [2023-11-19 03:20:45,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:45,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:45,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:45,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:45,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:45,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:45" (1/1) ... [2023-11-19 03:20:45,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d7b62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:45, skipping insertion in model container [2023-11-19 03:20:45,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:45" (1/1) ... [2023-11-19 03:20:45,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:45,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:45,864 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:46,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:46,095 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:46,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46 WrapperNode [2023-11-19 03:20:46,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:46,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:46,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:46,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:46,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,284 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1582 [2023-11-19 03:20:46,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:46,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:46,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:46,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:46,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:46,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:46,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:46,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:46,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:46" (1/1) ... [2023-11-19 03:20:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:46,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:46,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:20:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:20:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:20:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:20:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:20:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:46,903 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:46,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:48,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:50,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:50,990 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 03:20:50,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:50 BoogieIcfgContainer [2023-11-19 03:20:50,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:50,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:50,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:51,009 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:51,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:50" (1/1) ... [2023-11-19 03:20:51,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 172 states and 279 transitions. [2023-11-19 03:20:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2023-11-19 03:20:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:20:51,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2023-11-19 03:20:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-11-19 03:20:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:20:51,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:20:51,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 277 transitions. [2023-11-19 03:20:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 277 transitions. [2023-11-19 03:20:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:20:51,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:20:51,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 173 states and 269 transitions. [2023-11-19 03:20:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2023-11-19 03:20:51,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:20:51,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:20:51,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 257 transitions. [2023-11-19 03:20:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-19 03:20:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:20:51,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:52,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:20:52,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:55,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:21:05,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:21:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2023-11-19 03:21:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-19 03:21:05,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:21:05,253 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:21:05,262 INFO L751 CodeCheckObserver]: All specifications hold 11 specifications checked. All of them hold [2023-11-19 03:21:05,309 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,314 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,314 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,315 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,315 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,315 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,315 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,315 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,317 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,317 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,317 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,318 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,318 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,318 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,318 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,319 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,319 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:21:05,324 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,324 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,325 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,325 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:05,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:21:05 ImpRootNode [2023-11-19 03:21:05,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:21:05,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:21:05,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:21:05,334 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:21:05,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:50" (3/4) ... [2023-11-19 03:21:05,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:21:05,364 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 117 nodes and edges [2023-11-19 03:21:05,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:21:05,368 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:21:05,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:21:05,569 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:21:05,573 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:21:05,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:21:05,574 INFO L158 Benchmark]: Toolchain (without parser) took 20516.17ms. Allocated memory was 125.8MB in the beginning and 216.0MB in the end (delta: 90.2MB). Free memory was 79.5MB in the beginning and 72.3MB in the end (delta: 7.2MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,574 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:05,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1034.61ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 80.5MB in the end (delta: -1.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.06ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,576 INFO L158 Benchmark]: Boogie Preprocessor took 204.53ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 60.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,577 INFO L158 Benchmark]: RCFGBuilder took 4506.04ms. Allocated memory was 125.8MB in the beginning and 216.0MB in the end (delta: 90.2MB). Free memory was 59.5MB in the beginning and 90.3MB in the end (delta: -30.8MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,577 INFO L158 Benchmark]: CodeCheck took 14334.87ms. Allocated memory is still 216.0MB. Free memory was 90.3MB in the beginning and 85.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,578 INFO L158 Benchmark]: Witness Printer took 239.74ms. Allocated memory is still 216.0MB. Free memory was 85.9MB in the beginning and 72.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:05,580 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, 172 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 108 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 745 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 701 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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 - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 747]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1034.61ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 80.5MB in the end (delta: -1.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.06ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.53ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 60.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4506.04ms. Allocated memory was 125.8MB in the beginning and 216.0MB in the end (delta: 90.2MB). Free memory was 59.5MB in the beginning and 90.3MB in the end (delta: -30.8MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * CodeCheck took 14334.87ms. Allocated memory is still 216.0MB. Free memory was 90.3MB in the beginning and 85.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 239.74ms. Allocated memory is still 216.0MB. Free memory was 85.9MB in the beginning and 72.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:21:05,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28f0b250-37bb-46b1-a984-69af0ab657ea/bin/ukojak-verify-G8NBE6pJGL/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 Result: TRUE