./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b --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 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:51,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:51,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-12-05 21:26:51,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:51,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:51,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:51,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:51,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:51,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:26:51,404 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:51,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:51,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:51,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:51,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:51,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:51,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:51,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:51,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:51,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b 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 -> 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c [2024-12-05 21:26:51,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:51,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:51,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:51,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:51,665 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:51,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-12-05 21:26:54,362 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/3c01a58e8/3031c7fa62f14233a4e6364b65adf9d9/FLAG4097d8275 [2024-12-05 21:26:54,596 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:54,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-12-05 21:26:54,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/3c01a58e8/3031c7fa62f14233a4e6364b65adf9d9/FLAG4097d8275 [2024-12-05 21:26:54,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/3c01a58e8/3031c7fa62f14233a4e6364b65adf9d9 [2024-12-05 21:26:54,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:54,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:54,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:54,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:54,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7656ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54, skipping insertion in model container [2024-12-05 21:26:54,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:54,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,979 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:55,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:55,056 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:55,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55 WrapperNode [2024-12-05 21:26:55,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:55,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:55,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:55,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:55,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,095 INFO L138 Inliner]: procedures = 168, calls = 43, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 168 [2024-12-05 21:26:55,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:55,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:55,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:55,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:55,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,112 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:55,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:55,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:55,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:55,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:55,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:55,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:55,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:26:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 21:26:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:55,261 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:55,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:55,491 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:55,491 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:55,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:55,636 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 21:26:55,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55 BoogieIcfgContainer [2024-12-05 21:26:55,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:55,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:55,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:55,647 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:55,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-05 21:26:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-05 21:26:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:26:55,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:55,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 21:26:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 21:26:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:26:55,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:26:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:26:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:26:56,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-12-05 21:26:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-12-05 21:26:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:26:56,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,464 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-05 21:26:56,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:26:56 ImpRootNode [2024-12-05 21:26:56,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:26:56,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:26:56,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:26:56,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:26:56,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55" (3/4) ... [2024-12-05 21:26:56,499 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:26:56,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:26:56,501 INFO L158 Benchmark]: Toolchain (without parser) took 1872.21ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.5MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,502 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.14ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.3MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.93ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,503 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,503 INFO L158 Benchmark]: RCFGBuilder took 515.93ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 84.6MB in the end (delta: -16.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,503 INFO L158 Benchmark]: CodeCheck took 858.32ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 71.9MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,504 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.5MB in the end (delta: 395.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,506 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 27 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 722]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of strcmp at line 693. Possible FailurePath: [L685] int state = STATE_1; [L686] char *global = 0; [L687-L690] const struct command commands[] = { {"c1",c1,STATE_1}, {"c2",c2,STATE_2} }; [L723] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={0:0}, i=0, state=0] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={0:0}, i=0, state=0] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND FALSE !(\read(*global)) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L723] RET parse_input("c1") [L724] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={-26816:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-26816:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-26816:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L724] RET parse_input("c1") [L725] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={-26815:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-26815:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-26815:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L725] RET parse_input("c2") [L726] return 0; VAL [\result=0, commands={6:0}, global={-26816:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.14ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 71.3MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.93ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.93ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 84.6MB in the end (delta: -16.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * CodeCheck took 858.32ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 71.9MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.5MB in the end (delta: 395.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:26:56,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b --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 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:58,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:58,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2024-12-05 21:26:58,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:58,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:58,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:58,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:58,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:58,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:26:58,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:58,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:26:58,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:58,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:58,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:58,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:58,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:26:58,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:58,600 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:26:58,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b 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 -> 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c [2024-12-05 21:26:58,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:58,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:58,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:58,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:58,878 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:58,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-12-05 21:27:01,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/a648fa4be/c3cc6e5b2ad94cfba590dcea0ff130f9/FLAGe44c6ffa0 [2024-12-05 21:27:01,826 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:01,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-12-05 21:27:01,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/a648fa4be/c3cc6e5b2ad94cfba590dcea0ff130f9/FLAGe44c6ffa0 [2024-12-05 21:27:01,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/data/a648fa4be/c3cc6e5b2ad94cfba590dcea0ff130f9 [2024-12-05 21:27:01,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:01,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:01,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:01,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:01,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:01,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43845767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:01, skipping insertion in model container [2024-12-05 21:27:01,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:02,164 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 21:27:02,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:02,182 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:02,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:02,264 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:02,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02 WrapperNode [2024-12-05 21:27:02,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:02,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:02,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:02,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:02,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,309 INFO L138 Inliner]: procedures = 169, calls = 43, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 169 [2024-12-05 21:27:02,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:02,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:02,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:02,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:02,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:02,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:02,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:02,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:02,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:02,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:02,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-05 21:27:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:27:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:02,498 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:02,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:02,763 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:02,763 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:02,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:02,917 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 21:27:02,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02 BoogieIcfgContainer [2024-12-05 21:27:02,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:02,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:02,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:02,927 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:02,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-05 21:27:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-05 21:27:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:27:02,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:02,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:02,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:02,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:27:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:27:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-12-05 21:27:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-12-05 21:27:03,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:27:03,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:27:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 21:27:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-12-05 21:27:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-12-05 21:27:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:27:03,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:27:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:27:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2024-12-05 21:27:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2024-12-05 21:27:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:27:03,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:27:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:27:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 21:27:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 21:27:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:27:03,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:04,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:27:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:04,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:04,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:04,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:04,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:27:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-12-05 21:27:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-05 21:27:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:27:04,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:04,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:04,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:04,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:04,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:27:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:04,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:27:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:05,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:27:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:05,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:27:05,346 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 21:27:05,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:27:05 ImpRootNode [2024-12-05 21:27:05,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:27:05,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:27:05,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:27:05,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:27:05,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02" (3/4) ... [2024-12-05 21:27:05,380 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:27:05,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:27:05,382 INFO L158 Benchmark]: Toolchain (without parser) took 3524.06ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 55.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-12-05 21:27:05,382 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:05,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.56ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 47.2MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:27:05,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.98ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:05,383 INFO L158 Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:05,384 INFO L158 Benchmark]: RCFGBuilder took 574.56ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 57.2MB in the end (delta: -13.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-05 21:27:05,384 INFO L158 Benchmark]: CodeCheck took 2458.95ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:05,385 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:05,386 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 54 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 368 ConjunctsInSsa, 10 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 722]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of strcmp at line 693. Possible FailurePath: [L685] int state = STATE_1; [L686] char *global = 0; [L687-L690] const struct command commands[] = { {"c1",c1,STATE_1}, {"c2",c2,STATE_2} }; [L723] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={0:0}, i=0, state=0] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={0:0}, i=0, state=0] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND FALSE !(\read(*global)) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L723] RET parse_input("c1") [L724] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={12:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={12:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={12:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L724] RET parse_input("c1") [L725] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={8:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={8:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={8:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L725] RET parse_input("c2") [L726] return 0; VAL [\result=0, commands={6:0}, global={7:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.56ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 47.2MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.98ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.22ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.56ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 57.2MB in the end (delta: -13.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 2458.95ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:27:05,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3024ca90-4361-4e03-aff8-9480c6f20872/bin/ukojak-verify-CZk0znPC7b/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: UNKNOWN: Overapproximated counterexample