./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/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_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/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_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:50,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:50,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:56:50,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:50,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:50,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:50,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:50,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:50,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:50,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:50,493 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:50,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:50,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:50,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:50,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:50,496 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:56:50,497 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:56:50,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:50,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:50,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:50,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:50,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:50,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:50,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:50,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:50,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:50,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:50,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:50,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:50,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:50,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:50,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:50,504 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_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2023-11-19 03:56:50,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:50,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:50,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:50,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:50,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:50,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2023-11-19 03:56:53,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:54,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:54,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2023-11-19 03:56:54,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/data/e7e28080e/75be032dd5da48e48de6357d261a22a3/FLAGa51117cda [2023-11-19 03:56:54,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/data/e7e28080e/75be032dd5da48e48de6357d261a22a3 [2023-11-19 03:56:54,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:54,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:54,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:54,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:54,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:54,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5385efb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54, skipping insertion in model container [2023-11-19 03:56:54,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:55,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:55,103 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:55,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:55,346 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:55,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55 WrapperNode [2023-11-19 03:56:55,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:55,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:55,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:55,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:55,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,463 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 1030 [2023-11-19 03:56:55,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:55,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:55,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:55,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:55,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:55,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:55,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:55,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:55,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:55" (1/1) ... [2023-11-19 03:56:55,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:55,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:56:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:56:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:56:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:56:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:56:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:55,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:55,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:55,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:55,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:57,250 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:58,335 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:58,335 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:56:58,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:58 BoogieIcfgContainer [2023-11-19 03:56:58,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:58,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:58,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:58,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:58,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 140 states and 220 transitions. [2023-11-19 03:56:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-19 03:56:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:56:58,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,654 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 03:56:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 141 states and 222 transitions. [2023-11-19 03:56:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2023-11-19 03:56:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:56:58,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,834 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 03:56:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 141 states and 220 transitions. [2023-11-19 03:56:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-19 03:56:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:56:58,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,964 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 03:56:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2023-11-19 03:56:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-19 03:56:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:56:58,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:59,096 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 03:56:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2023-11-19 03:56:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-11-19 03:56:59,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:56:59,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:59,279 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 03:57:09,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 141 states and 204 transitions. [2023-11-19 03:57:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2023-11-19 03:57:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:57:09,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:09,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:19,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:29,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:39,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 160 states and 226 transitions. [2023-11-19 03:57:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 226 transitions. [2023-11-19 03:57:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:57:40,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:40,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:40,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:50,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 160 states and 224 transitions. [2023-11-19 03:57:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 224 transitions. [2023-11-19 03:57:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:50,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:57:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-19 03:57:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-19 03:57:51,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:57:51,537 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 03:57:51,545 INFO L751 CodeCheckObserver]: All specifications hold 11 specifications checked. All of them hold [2023-11-19 03:57:51,568 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,575 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,575 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,576 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,576 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,576 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,576 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:57:51,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:57:51 ImpRootNode [2023-11-19 03:57:51,577 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:57:51,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:57:51,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:57:51,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:57:51,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:58" (3/4) ... [2023-11-19 03:57:51,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:57:51,608 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2023-11-19 03:57:51,610 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:57:51,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:57:51,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:57:51,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:57:51,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:57:51,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:57:51,884 INFO L158 Benchmark]: Toolchain (without parser) took 57486.81ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 111.2MB in the beginning and 162.9MB in the end (delta: -51.7MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,884 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:51,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.57ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 121.3MB in the end (delta: -10.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.61ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 114.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,886 INFO L158 Benchmark]: Boogie Preprocessor took 168.24ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 106.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,886 INFO L158 Benchmark]: RCFGBuilder took 2695.59ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 106.6MB in the beginning and 111.7MB in the end (delta: -5.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,887 INFO L158 Benchmark]: CodeCheck took 53234.32ms. Allocated memory is still 224.4MB. Free memory was 110.7MB in the beginning and 59.4MB in the end (delta: 51.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,887 INFO L158 Benchmark]: Witness Printer took 305.68ms. Allocated memory is still 224.4MB. Free memory was 59.4MB in the beginning and 162.9MB in the end (delta: -103.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:51,889 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, 140 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 53.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 669 SdHoareTripleChecker+Valid, 152.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 439 SdHoareTripleChecker+Invalid, 151.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 289 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1311 GetRequests, 1275 SyntacticMatches, 30 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1493 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 7/9 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: 746]: 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: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.57ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 121.3MB in the end (delta: -10.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.61ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 114.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.24ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 106.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2695.59ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 106.6MB in the beginning and 111.7MB in the end (delta: -5.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * CodeCheck took 53234.32ms. Allocated memory is still 224.4MB. Free memory was 110.7MB in the beginning and 59.4MB in the end (delta: 51.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 305.68ms. Allocated memory is still 224.4MB. Free memory was 59.4MB in the beginning and 162.9MB in the end (delta: -103.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:57:51,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbe8d3c-30bb-4ee9-b6e7-82906b7dbca0/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