./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.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_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/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_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/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_9b3a47c0-e586-467b-a740-c2bdc5f39569/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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:00,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:00,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:05:00,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:00,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:00,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:00,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:00,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:00,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:00,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:00,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:00,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:00,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:00,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:00,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:00,275 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:05:00,275 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:05:00,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:00,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:00,277 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:00,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:00,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:00,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:00,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:00,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:00,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:00,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:00,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:00,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:00,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:00,284 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:00,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:00,285 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_9b3a47c0-e586-467b-a740-c2bdc5f39569/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-11-19 03:05:00,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:00,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:00,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:00,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:00,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:00,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-19 03:05:03,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:04,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:04,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-19 03:05:04,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/data/f604b50a3/147210e810cc4a1888393b955a4c7d7e/FLAGf80f65f71 [2023-11-19 03:05:04,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/data/f604b50a3/147210e810cc4a1888393b955a4c7d7e [2023-11-19 03:05:04,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:04,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:04,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:04,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:04,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:04,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a68b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04, skipping insertion in model container [2023-11-19 03:05:04,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:05,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:05,036 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:05,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:05,234 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:05,242 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:05,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05 WrapperNode [2023-11-19 03:05:05,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:05,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:05,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:05,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:05,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,380 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 24, calls inlined = 36, statements flattened = 1528 [2023-11-19 03:05:05,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:05,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:05,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:05,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:05,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:05,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:05,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:05,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:05,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:05" (1/1) ... [2023-11-19 03:05:05,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:05,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:05,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:05:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:05:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:05:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:06,009 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:06,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:07,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:09,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:09,318 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:05:09,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:09 BoogieIcfgContainer [2023-11-19 03:05:09,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:09,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:09,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:09,342 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:09,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:09" (1/1) ... [2023-11-19 03:05:09,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 182 states and 288 transitions. [2023-11-19 03:05:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2023-11-19 03:05:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:05:09,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:09,668 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 03:05:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 181 states and 283 transitions. [2023-11-19 03:05:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2023-11-19 03:05:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:05:09,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:09,946 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 03:05:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 183 states and 286 transitions. [2023-11-19 03:05:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2023-11-19 03:05:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:05:09,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,125 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 03:05:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 182 states and 275 transitions. [2023-11-19 03:05:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2023-11-19 03:05:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:05:10,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,300 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 03:05:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 182 states and 273 transitions. [2023-11-19 03:05:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-19 03:05:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:05:10,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,502 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 03:05:20,539 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 03:05:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 03:05:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 03:05:20,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:05:20,545 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:05:20,554 INFO L751 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2023-11-19 03:05:20,568 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,573 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:05:20,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 03:05:20,582 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,583 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:05:20,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 03:05:20,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:20,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:05:20 ImpRootNode [2023-11-19 03:05:20,585 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:05:20,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:05:20,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:05:20,586 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:05:20,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:09" (3/4) ... [2023-11-19 03:05:20,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:05:20,635 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 227 nodes and edges [2023-11-19 03:05:20,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 03:05:20,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:05:20,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:05:20,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:05:20,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:05:20,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:05:20,901 INFO L158 Benchmark]: Toolchain (without parser) took 16775.21ms. Allocated memory was 180.4MB in the beginning and 304.1MB in the end (delta: 123.7MB). Free memory was 134.2MB in the beginning and 214.7MB in the end (delta: -80.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,902 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:20,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.36ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 90.9MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.47ms. Allocated memory is still 180.4MB. Free memory was 90.9MB in the beginning and 81.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,903 INFO L158 Benchmark]: Boogie Preprocessor took 257.53ms. Allocated memory is still 180.4MB. Free memory was 81.3MB in the beginning and 141.3MB in the end (delta: -60.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,904 INFO L158 Benchmark]: RCFGBuilder took 3690.64ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 141.2MB in the beginning and 132.6MB in the end (delta: 8.6MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,904 INFO L158 Benchmark]: CodeCheck took 11253.24ms. Allocated memory was 226.5MB in the beginning and 304.1MB in the end (delta: 77.6MB). Free memory was 132.6MB in the beginning and 230.4MB in the end (delta: -97.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:20,905 INFO L158 Benchmark]: Witness Printer took 314.61ms. Allocated memory is still 304.1MB. Free memory was 230.4MB in the beginning and 214.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:05:20,908 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, 182 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 106 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 605 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 985]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1115.36ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 90.9MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.47ms. Allocated memory is still 180.4MB. Free memory was 90.9MB in the beginning and 81.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 257.53ms. Allocated memory is still 180.4MB. Free memory was 81.3MB in the beginning and 141.3MB in the end (delta: -60.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3690.64ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 141.2MB in the beginning and 132.6MB in the end (delta: 8.6MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. * CodeCheck took 11253.24ms. Allocated memory was 226.5MB in the beginning and 304.1MB in the end (delta: 77.6MB). Free memory was 132.6MB in the beginning and 230.4MB in the end (delta: -97.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 314.61ms. Allocated memory is still 304.1MB. Free memory was 230.4MB in the beginning and 214.7MB in the end (delta: 15.7MB). 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:05:20,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3a47c0-e586-467b-a740-c2bdc5f39569/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