./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.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_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/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_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/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_9f7e3137-d237-45c1-96b7-ab38b6cddbac/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 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:02,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:02,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:16:02,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:02,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:02,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:02,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:02,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:02,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:02,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:02,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:02,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:02,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:02,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:02,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:02,425 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:16:02,427 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:16:02,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:02,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:02,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:02,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:02,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:02,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:02,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:02,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:02,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:02,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:02,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:02,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:02,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:02,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:02,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:02,441 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_9f7e3137-d237-45c1-96b7-ab38b6cddbac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 [2023-11-19 03:16:02,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:02,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:02,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:02,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:02,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:02,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2023-11-19 03:16:06,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:06,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:06,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2023-11-19 03:16:06,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/data/044feb156/b27b4438c67b493ebe1bce21953b291c/FLAG4dcf0d113 [2023-11-19 03:16:06,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/data/044feb156/b27b4438c67b493ebe1bce21953b291c [2023-11-19 03:16:06,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:06,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:06,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:06,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:06,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:06,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:06" (1/1) ... [2023-11-19 03:16:06,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc8e151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:06, skipping insertion in model container [2023-11-19 03:16:06,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:06" (1/1) ... [2023-11-19 03:16:06,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:07,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:07,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:07,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:07,785 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:07,793 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:07,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07 WrapperNode [2023-11-19 03:16:07,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:07,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:07,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:07,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:07,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,975 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1958 [2023-11-19 03:16:07,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:07,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:07,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:07,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:07,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:08,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:08,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:08,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:08,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:08,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:08,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:08,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:16:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:16:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:16:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:16:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:16:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:16:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:08,617 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:08,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:10,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:13,905 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:13,906 INFO L302 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-19 03:16:13,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:13 BoogieIcfgContainer [2023-11-19 03:16:13,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:13,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:13,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:13,938 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:13,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 176 states and 298 transitions. [2023-11-19 03:16:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2023-11-19 03:16:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:16:14,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,402 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 03:16:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 177 states and 300 transitions. [2023-11-19 03:16:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 300 transitions. [2023-11-19 03:16:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:16:14,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,607 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 03:16:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 177 states and 296 transitions. [2023-11-19 03:16:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 296 transitions. [2023-11-19 03:16:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:14,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,735 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 03:16:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-11-19 03:16:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-11-19 03:16:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:16:14,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,926 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 03:16:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-19 03:16:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-19 03:16:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:16:14,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:15,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,280 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 03:16:25,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:16:35,384 WARN L539 Checker$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 03:16:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2023-11-19 03:16:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-19 03:16:35,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:16:35,439 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:16:35,449 INFO L751 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2023-11-19 03:16:35,506 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:16:35,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,518 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,518 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,518 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,519 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,519 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,519 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,519 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,520 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,520 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,520 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,520 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,523 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,524 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,524 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,524 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:35,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:16:35 ImpRootNode [2023-11-19 03:16:35,527 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:16:35,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:16:35,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:16:35,529 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:16:35,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:13" (3/4) ... [2023-11-19 03:16:35,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:16:35,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 222 nodes and edges [2023-11-19 03:16:35,587 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-19 03:16:35,589 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 03:16:35,592 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:16:35,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:16:35,884 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:16:35,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:16:35,885 INFO L158 Benchmark]: Toolchain (without parser) took 29280.53ms. Allocated memory was 140.5MB in the beginning and 281.0MB in the end (delta: 140.5MB). Free memory was 96.2MB in the beginning and 145.4MB in the end (delta: -49.2MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,885 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:35,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1187.91ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 95.7MB in the beginning and 136.6MB in the end (delta: -40.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.30ms. Allocated memory is still 178.3MB. Free memory was 136.6MB in the beginning and 124.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,887 INFO L158 Benchmark]: Boogie Preprocessor took 192.76ms. Allocated memory is still 178.3MB. Free memory was 124.9MB in the beginning and 112.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,888 INFO L158 Benchmark]: RCFGBuilder took 5754.75ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 112.2MB in the beginning and 142.0MB in the end (delta: -29.9MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,889 INFO L158 Benchmark]: CodeCheck took 21601.01ms. Allocated memory is still 281.0MB. Free memory was 142.0MB in the beginning and 162.1MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:35,889 INFO L158 Benchmark]: Witness Printer took 355.50ms. Allocated memory is still 281.0MB. Free memory was 162.1MB in the beginning and 145.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:35,893 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, 176 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 113 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 745 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 732]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1187.91ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 95.7MB in the beginning and 136.6MB in the end (delta: -40.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.30ms. Allocated memory is still 178.3MB. Free memory was 136.6MB in the beginning and 124.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.76ms. Allocated memory is still 178.3MB. Free memory was 124.9MB in the beginning and 112.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5754.75ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 112.2MB in the beginning and 142.0MB in the end (delta: -29.9MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * CodeCheck took 21601.01ms. Allocated memory is still 281.0MB. Free memory was 142.0MB in the beginning and 162.1MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 355.50ms. Allocated memory is still 281.0MB. Free memory was 162.1MB in the beginning and 145.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:16:35,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7e3137-d237-45c1-96b7-ab38b6cddbac/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