./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.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_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/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_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/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_02ab631a-acc3-49b5-92e1-dd20a740f0e0/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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:32,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:33,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:34:33,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:33,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:33,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:33,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:33,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:33,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:33,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:33,157 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:33,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:33,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:33,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:33,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:33,159 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:34:33,159 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:34:33,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:33,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:33,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:33,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:33,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:33,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:33,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:33,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:33,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:33,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:33,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:33,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:33,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:33,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:33,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:33,168 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_02ab631a-acc3-49b5-92e1-dd20a740f0e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2023-11-19 03:34:33,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:33,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:33,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:33,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:33,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:33,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2023-11-19 03:34:36,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:37,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:37,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2023-11-19 03:34:37,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/data/33c737500/cd41f2d0832949c5b93d2b8ff84a06b5/FLAGea0ece909 [2023-11-19 03:34:37,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/data/33c737500/cd41f2d0832949c5b93d2b8ff84a06b5 [2023-11-19 03:34:37,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:37,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:37,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:37,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:37,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:37,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:37" (1/1) ... [2023-11-19 03:34:37,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3570f6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:37, skipping insertion in model container [2023-11-19 03:34:37,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:37" (1/1) ... [2023-11-19 03:34:37,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:38,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:38,402 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:38,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:38,657 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:38,667 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:38,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38 WrapperNode [2023-11-19 03:34:38,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:38,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:38,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:38,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:38,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,873 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1725 [2023-11-19 03:34:38,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:38,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:38,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:38,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:38,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:39,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:39,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:39,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:39,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:39,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:39,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:39,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:39,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:39,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:39,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:34:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:34:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:34:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:39,457 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:39,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:41,478 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:43,686 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:43,686 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:34:43,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:43 BoogieIcfgContainer [2023-11-19 03:34:43,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:43,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:43,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:43,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:43,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:43" (1/1) ... [2023-11-19 03:34:43,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2023-11-19 03:34:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2023-11-19 03:34:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:34:43,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:43,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,059 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 03:34:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 208 states and 325 transitions. [2023-11-19 03:34:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-11-19 03:34:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:34:44,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,309 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 03:34:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 210 states and 328 transitions. [2023-11-19 03:34:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 328 transitions. [2023-11-19 03:34:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:34:44,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:44,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:44,546 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 03:34:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 209 states and 317 transitions. [2023-11-19 03:34:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 317 transitions. [2023-11-19 03:34:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:34:44,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:44,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:44,711 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 03:34:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 315 transitions. [2023-11-19 03:34:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 315 transitions. [2023-11-19 03:34:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:44,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:44,886 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 03:34:54,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 03:34:54,933 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 03:34:54,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:34:54,934 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:34:54,943 INFO L751 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2023-11-19 03:34:54,959 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,964 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:34:54,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 03:34:54,973 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,973 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:34:54,974 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 03:34:54,974 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,974 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,975 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,975 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:54,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:54 ImpRootNode [2023-11-19 03:34:54,977 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:54,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:54,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:54,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:54,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:43" (3/4) ... [2023-11-19 03:34:54,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:34:55,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 239 nodes and edges [2023-11-19 03:34:55,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-19 03:34:55,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:34:55,037 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:34:55,284 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:34:55,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:34:55,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:55,287 INFO L158 Benchmark]: Toolchain (without parser) took 17921.94ms. Allocated memory was 163.6MB in the beginning and 289.4MB in the end (delta: 125.8MB). Free memory was 114.0MB in the beginning and 102.5MB in the end (delta: 11.5MB). Peak memory consumption was 139.5MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,288 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:55,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1300.04ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 113.5MB in the beginning and 170.0MB in the end (delta: -56.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.35ms. Allocated memory is still 209.7MB. Free memory was 170.0MB in the beginning and 159.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,289 INFO L158 Benchmark]: Boogie Preprocessor took 164.86ms. Allocated memory is still 209.7MB. Free memory was 159.5MB in the beginning and 147.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,290 INFO L158 Benchmark]: RCFGBuilder took 4659.39ms. Allocated memory was 209.7MB in the beginning and 289.4MB in the end (delta: 79.7MB). Free memory was 147.8MB in the beginning and 212.6MB in the end (delta: -64.8MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,291 INFO L158 Benchmark]: CodeCheck took 11276.89ms. Allocated memory is still 289.4MB. Free memory was 212.6MB in the beginning and 120.3MB in the end (delta: 92.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,291 INFO L158 Benchmark]: Witness Printer took 308.49ms. Allocated memory is still 289.4MB. Free memory was 120.3MB in the beginning and 102.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:34:55,293 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, 209 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 106 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 605 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 935]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 985]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1300.04ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 113.5MB in the beginning and 170.0MB in the end (delta: -56.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.35ms. Allocated memory is still 209.7MB. Free memory was 170.0MB in the beginning and 159.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.86ms. Allocated memory is still 209.7MB. Free memory was 159.5MB in the beginning and 147.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4659.39ms. Allocated memory was 209.7MB in the beginning and 289.4MB in the end (delta: 79.7MB). Free memory was 147.8MB in the beginning and 212.6MB in the end (delta: -64.8MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. * CodeCheck took 11276.89ms. Allocated memory is still 289.4MB. Free memory was 212.6MB in the beginning and 120.3MB in the end (delta: 92.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Witness Printer took 308.49ms. Allocated memory is still 289.4MB. Free memory was 120.3MB in the beginning and 102.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:34:55,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ab631a-acc3-49b5-92e1-dd20a740f0e0/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