./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.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_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/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_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/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_21e42b0e-049d-4873-8325-fd279719d4c7/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:36,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:36,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:22:36,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:36,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:36,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:36,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:36,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:36,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:36,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:36,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:36,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:36,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:36,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:36,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:36,479 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:22:36,480 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:22:36,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:36,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:36,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:36,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:36,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:36,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:36,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:36,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:36,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:36,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:36,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:36,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:36,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:36,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:36,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:36,494 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_21e42b0e-049d-4873-8325-fd279719d4c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2023-11-19 03:22:36,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:36,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:36,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:36,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:36,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:36,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-11-19 03:22:40,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:40,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:40,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-11-19 03:22:40,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/data/ad6c6ce98/a69c9a39e55a4bfcb5f746df7e6e2856/FLAG4c93cb63e [2023-11-19 03:22:40,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/data/ad6c6ce98/a69c9a39e55a4bfcb5f746df7e6e2856 [2023-11-19 03:22:40,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:40,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:40,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:40,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:40,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:40,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:40" (1/1) ... [2023-11-19 03:22:40,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8e948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:40, skipping insertion in model container [2023-11-19 03:22:40,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:40" (1/1) ... [2023-11-19 03:22:40,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:41,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:41,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:41,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:41,701 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:41,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:41,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41 WrapperNode [2023-11-19 03:22:41,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:41,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:41,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:41,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:41,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,873 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1255 [2023-11-19 03:22:41,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:41,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:41,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:41,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:41,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:41,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:42,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:42,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:42,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:42,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:42,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:41" (1/1) ... [2023-11-19 03:22:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:42,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:42,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:42,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:22:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:22:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:22:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:22:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:22:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:22:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:42,379 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:42,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:44,121 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:45,919 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:45,919 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:22:45,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:45 BoogieIcfgContainer [2023-11-19 03:22:45,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:45,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:45,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:45,943 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:45,944 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:45" (1/1) ... [2023-11-19 03:22:45,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-11-19 03:22:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-11-19 03:22:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:22:46,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:46,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:46,327 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 03:22:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-19 03:22:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-19 03:22:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:22:46,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:46,658 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 03:22:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-11-19 03:22:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-19 03:22:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:22:46,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:46,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:46,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:46,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-19 03:22:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-19 03:22:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:22:46,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:47,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:47,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:47,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-11-19 03:22:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-11-19 03:22:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:22:47,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:47,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:47,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-11-19 03:22:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-11-19 03:22:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:22:47,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:47,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:47,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:49,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2023-11-19 03:22:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2023-11-19 03:22:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:22:49,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:00,553 WARN L539 Checker$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 03:23:10,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:20,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 03:23:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 03:23:20,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:23:20,644 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:23:20,657 INFO L751 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2023-11-19 03:23:20,696 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:23:20,703 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:23:20,704 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 03:23:20,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 03:23:20,708 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:23:20,708 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:23:20,709 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:23:20,710 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:23:20,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:20 ImpRootNode [2023-11-19 03:23:20,711 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:20,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:20,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:20,713 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:20,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:45" (3/4) ... [2023-11-19 03:23:20,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:23:20,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2023-11-19 03:23:20,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-19 03:23:20,760 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 03:23:20,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:23:20,953 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:20,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:23:20,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:20,955 INFO L158 Benchmark]: Toolchain (without parser) took 40427.60ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 151.9MB in the beginning and 181.8MB in the end (delta: -30.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,955 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:20,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.80ms. Allocated memory is still 201.3MB. Free memory was 151.9MB in the beginning and 117.6MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.54ms. Allocated memory is still 201.3MB. Free memory was 117.6MB in the beginning and 109.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,957 INFO L158 Benchmark]: Boogie Preprocessor took 136.21ms. Allocated memory is still 201.3MB. Free memory was 109.2MB in the beginning and 101.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,958 INFO L158 Benchmark]: RCFGBuilder took 3919.11ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 101.6MB in the beginning and 128.4MB in the end (delta: -26.8MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,958 INFO L158 Benchmark]: CodeCheck took 34779.21ms. Allocated memory is still 253.8MB. Free memory was 128.4MB in the beginning and 197.5MB in the end (delta: -69.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:20,958 INFO L158 Benchmark]: Witness Printer took 241.99ms. Allocated memory is still 253.8MB. Free memory was 197.5MB in the beginning and 181.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:20,961 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, 133 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 34.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 398 SdHoareTripleChecker+Valid, 35.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 35.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 162 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 921 GetRequests, 907 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: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1038 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: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 810]: 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: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.80ms. Allocated memory is still 201.3MB. Free memory was 151.9MB in the beginning and 117.6MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.54ms. Allocated memory is still 201.3MB. Free memory was 117.6MB in the beginning and 109.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.21ms. Allocated memory is still 201.3MB. Free memory was 109.2MB in the beginning and 101.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3919.11ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 101.6MB in the beginning and 128.4MB in the end (delta: -26.8MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * CodeCheck took 34779.21ms. Allocated memory is still 253.8MB. Free memory was 128.4MB in the beginning and 197.5MB in the end (delta: -69.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 241.99ms. Allocated memory is still 253.8MB. Free memory was 197.5MB in the beginning and 181.8MB 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 03:23:21,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e42b0e-049d-4873-8325-fd279719d4c7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE