./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/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_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/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_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/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 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:07,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:08,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:56:08,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:08,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:08,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:08,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:08,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:08,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:08,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:08,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:08,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:08,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:08,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:08,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:08,082 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:56:08,083 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:56:08,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:08,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:08,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:08,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:08,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:08,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:08,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:08,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:08,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:08,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:08,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:08,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:08,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:08,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:08,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:08,093 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_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2023-11-19 02:56:08,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:08,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:08,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:08,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:08,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:08,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2023-11-19 02:56:11,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:12,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:12,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2023-11-19 02:56:12,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/data/3713842e8/3a7d6bcd58134b6abf9c5b3164a36991/FLAG4b014d29d [2023-11-19 02:56:12,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/data/3713842e8/3a7d6bcd58134b6abf9c5b3164a36991 [2023-11-19 02:56:12,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:12,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:12,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:12,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:12,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:12,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@998918e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12, skipping insertion in model container [2023-11-19 02:56:12,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:13,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:13,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:13,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:13,488 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:13,495 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:13,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13 WrapperNode [2023-11-19 02:56:13,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:13,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:13,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:13,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:13,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,652 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1824 [2023-11-19 02:56:13,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:13,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:13,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:13,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:13,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:13,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:13,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:13,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:13,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:14,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:14,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:14,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:14,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:17,840 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:20,184 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:20,185 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-19 02:56:20,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:20 BoogieIcfgContainer [2023-11-19 02:56:20,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:20,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:20,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:20,206 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:20,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:20" (1/1) ... [2023-11-19 02:56:20,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:20,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 338 states and 520 transitions. [2023-11-19 02:56:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 520 transitions. [2023-11-19 02:56:20,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:56:20,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,482 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 02:56:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 338 states and 518 transitions. [2023-11-19 02:56:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 518 transitions. [2023-11-19 02:56:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:56:20,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,769 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 02:56:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 340 states and 521 transitions. [2023-11-19 02:56:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 521 transitions. [2023-11-19 02:56:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:56:20,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:20,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,952 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 02:56:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 339 states and 516 transitions. [2023-11-19 02:56:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2023-11-19 02:56:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:56:20,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,103 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 02:56:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 339 states and 512 transitions. [2023-11-19 02:56:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 512 transitions. [2023-11-19 02:56:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:56:21,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,235 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 02:56:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 339 states and 506 transitions. [2023-11-19 02:56:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2023-11-19 02:56:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:21,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,495 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 02:56:31,534 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 02:56:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 02:56:31,637 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 02:56:31,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:56:31,638 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 02:56:31,651 INFO L751 CodeCheckObserver]: All specifications hold 32 specifications checked. All of them hold [2023-11-19 02:56:31,680 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 02:56:31,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 02:56:31,693 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,694 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,694 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,694 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,695 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,695 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:31,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:31 ImpRootNode [2023-11-19 02:56:31,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:31,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:31,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:31,699 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:31,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:20" (3/4) ... [2023-11-19 02:56:31,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:56:31,753 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2023-11-19 02:56:31,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 02:56:31,758 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 02:56:31,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:56:32,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:56:32,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:56:32,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:32,030 INFO L158 Benchmark]: Toolchain (without parser) took 19566.53ms. Allocated memory was 199.2MB in the beginning and 285.2MB in the end (delta: 86.0MB). Free memory was 149.8MB in the beginning and 144.6MB in the end (delta: 5.3MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,030 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:32,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.42ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 115.7MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.15ms. Allocated memory is still 199.2MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,032 INFO L158 Benchmark]: Boogie Preprocessor took 325.62ms. Allocated memory is still 199.2MB. Free memory was 105.2MB in the beginning and 155.5MB in the end (delta: -50.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,033 INFO L158 Benchmark]: RCFGBuilder took 6214.79ms. Allocated memory was 199.2MB in the beginning and 285.2MB in the end (delta: 86.0MB). Free memory was 155.5MB in the beginning and 139.4MB in the end (delta: 16.2MB). Peak memory consumption was 145.5MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,033 INFO L158 Benchmark]: CodeCheck took 11502.22ms. Allocated memory is still 285.2MB. Free memory was 139.4MB in the beginning and 162.4MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:32,034 INFO L158 Benchmark]: Witness Printer took 331.09ms. Allocated memory is still 285.2MB. Free memory was 162.4MB in the beginning and 144.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:56:32,037 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, 338 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 129 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 575 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: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 648 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.42ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 115.7MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.15ms. Allocated memory is still 199.2MB. Free memory was 115.7MB in the beginning and 105.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.62ms. Allocated memory is still 199.2MB. Free memory was 105.2MB in the beginning and 155.5MB in the end (delta: -50.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6214.79ms. Allocated memory was 199.2MB in the beginning and 285.2MB in the end (delta: 86.0MB). Free memory was 155.5MB in the beginning and 139.4MB in the end (delta: 16.2MB). Peak memory consumption was 145.5MB. Max. memory is 16.1GB. * CodeCheck took 11502.22ms. Allocated memory is still 285.2MB. Free memory was 139.4MB in the beginning and 162.4MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 331.09ms. Allocated memory is still 285.2MB. Free memory was 162.4MB in the beginning and 144.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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 02:56:32,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69da8d79-9e33-4b2b-b4d3-7047e92b2d28/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