./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.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_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/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_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/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_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:08,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:08,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:07:08,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:08,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:08,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:08,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:08,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:08,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:08,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:08,334 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:08,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:08,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:08,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:08,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:08,338 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:07:08,338 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:07:08,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:08,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:08,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:08,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:08,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:08,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:08,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:08,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:08,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:08,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:08,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:08,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:08,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:08,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:08,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:08,348 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_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2023-11-19 04:07:08,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:08,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:08,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:08,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:08,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:08,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-19 04:07:11,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:12,289 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:12,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-11-19 04:07:12,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/data/517df03e0/51e545e1258d4181a3b8a97100fc48a0/FLAGcb0375604 [2023-11-19 04:07:12,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/data/517df03e0/51e545e1258d4181a3b8a97100fc48a0 [2023-11-19 04:07:12,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:12,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:12,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:12,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:12,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:12,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:12" (1/1) ... [2023-11-19 04:07:12,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4099df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:12, skipping insertion in model container [2023-11-19 04:07:12,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:12" (1/1) ... [2023-11-19 04:07:12,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:12,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:12,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:13,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:13,203 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:13,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:13,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13 WrapperNode [2023-11-19 04:07:13,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:13,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:13,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:13,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:13,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,393 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-19 04:07:13,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:13,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:13,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:13,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:13,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:13,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:13,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:13,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:13,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:13" (1/1) ... [2023-11-19 04:07:13,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:13,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:07:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:07:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:07:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:13,843 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:13,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:15,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:17,439 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:17,439 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 04:07:17,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:17 BoogieIcfgContainer [2023-11-19 04:07:17,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:17,450 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:17,450 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:17,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:17,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:17" (1/1) ... [2023-11-19 04:07:17,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-19 04:07:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-19 04:07:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:07:17,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:17,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:17,716 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 04:07:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 04:07:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 04:07:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:07:17,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:17,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,032 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 04:07:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-19 04:07:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-19 04:07:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:18,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:18,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:18,278 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 04:07:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-19 04:07:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-19 04:07:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:07:18,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:18,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:18,427 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 04:07:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-19 04:07:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-19 04:07:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:07:18,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:18,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:18,619 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 04:07:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-19 04:07:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-19 04:07:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:07:18,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:18,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:18,863 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 04:07:24,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:07:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-19 04:07:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-19 04:07:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:07:24,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:24,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:24,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:07:24,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:34,896 WARN L539 Checker$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 04:07:44,903 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 04:07:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 04:07:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 04:07:44,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:07:44,929 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 04:07:44,937 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-11-19 04:07:44,972 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:44,977 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:07:44,980 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:07:44,983 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 04:07:44,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 04:07:44,988 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:07:44,988 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:44,989 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:44,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:44 ImpRootNode [2023-11-19 04:07:44,990 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:44,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:44,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:44,991 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:44,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:17" (3/4) ... [2023-11-19 04:07:44,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:07:45,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 190 nodes and edges [2023-11-19 04:07:45,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-19 04:07:45,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 04:07:45,036 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:07:45,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:07:45,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:07:45,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:45,263 INFO L158 Benchmark]: Toolchain (without parser) took 32936.15ms. Allocated memory was 148.9MB in the beginning and 230.7MB in the end (delta: 81.8MB). Free memory was 117.6MB in the beginning and 155.6MB in the end (delta: -38.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,263 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:45,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.48ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 84.8MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.38ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 76.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,265 INFO L158 Benchmark]: Boogie Preprocessor took 147.36ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 67.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,265 INFO L158 Benchmark]: RCFGBuilder took 3905.91ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 67.2MB in the beginning and 100.7MB in the end (delta: -33.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,266 INFO L158 Benchmark]: CodeCheck took 27540.61ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 100.7MB in the beginning and 170.2MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:45,266 INFO L158 Benchmark]: Witness Printer took 271.28ms. Allocated memory is still 230.7MB. Free memory was 170.2MB in the beginning and 155.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:45,268 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, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 425 SdHoareTripleChecker+Valid, 31.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 31.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 169 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 973 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1068 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 10/10 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: 711]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.48ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 84.8MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.38ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 76.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.36ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 67.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3905.91ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 67.2MB in the beginning and 100.7MB in the end (delta: -33.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * CodeCheck took 27540.61ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 100.7MB in the beginning and 170.2MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 271.28ms. Allocated memory is still 230.7MB. Free memory was 170.2MB in the beginning and 155.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 04:07:45,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d799da7-fe45-4b69-941b-7ba2f9b8f0ba/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