./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:42:40,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:42:41,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 21:42:41,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:42:41,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:42:41,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:42:41,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:42:41,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:42:41,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:42:41,080 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:42:41,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:42:41,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:42:41,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:42:41,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:42:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:41,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:42:41,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:42:41,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:42:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:42:41,082 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_b598bbdd-646d-44fa-8a33-27032678aef0/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2024-12-05 21:42:41,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:42:41,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:42:41,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:42:41,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:42:41,341 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:42:41,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety/test-0158-2.i [2024-12-05 21:42:44,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/746b2562a/960c6d7decdf4754807fb1a67069eae6/FLAG4604c9155 [2024-12-05 21:42:44,429 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:42:44,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/sv-benchmarks/c/memsafety/test-0158-2.i [2024-12-05 21:42:44,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/746b2562a/960c6d7decdf4754807fb1a67069eae6/FLAG4604c9155 [2024-12-05 21:42:44,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/746b2562a/960c6d7decdf4754807fb1a67069eae6 [2024-12-05 21:42:44,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:42:44,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:42:44,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:44,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:42:44,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:42:44,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f75a6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44, skipping insertion in model container [2024-12-05 21:42:44,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:42:44,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:44,811 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:42:44,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:44,881 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:42:44,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44 WrapperNode [2024-12-05 21:42:44,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:44,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:44,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:42:44,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:42:44,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,919 INFO L138 Inliner]: procedures = 123, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-05 21:42:44,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:44,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:42:44,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:42:44,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:42:44,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:42:44,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:42:44,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:42:44,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:42:44,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:44" (1/1) ... [2024-12-05 21:42:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:42:44,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:42:44,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:42:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:42:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:42:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:42:45,104 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:42:45,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:42:45,214 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-05 21:42:45,214 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:42:45,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:42:45,243 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:42:45,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:45 BoogieIcfgContainer [2024-12-05 21:42:45,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:42:45,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:42:45,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:42:45,254 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:42:45,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:45" (1/1) ... [2024-12-05 21:42:45,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:42:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-12-05 21:42:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-12-05 21:42:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 21:42:45,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:45,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:45,546 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 21:42:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-12-05 21:42:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-12-05 21:42:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 21:42:45,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:45,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:45,720 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 21:42:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-12-05 21:42:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-12-05 21:42:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:42:45,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:45,867 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 21:42:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-12-05 21:42:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-12-05 21:42:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:42:45,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:46,046 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 21:42:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-12-05 21:42:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-12-05 21:42:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:42:46,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:46,345 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 21:42:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-05 21:42:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-05 21:42:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:42:46,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:46,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:46,441 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 21:42:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-12-05 21:42:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-12-05 21:42:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:42:46,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:46,580 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:46,649 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:46,670 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-05 21:42:46,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:42:46 ImpRootNode [2024-12-05 21:42:46,695 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:42:46,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:42:46,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:42:46,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:42:46,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:45" (3/4) ... [2024-12-05 21:42:46,699 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:42:46,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:42:46,701 INFO L158 Benchmark]: Toolchain (without parser) took 2238.15ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 64.2MB in the end (delta: 52.0MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-05 21:42:46,701 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:46,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.13ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:42:46,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:46,703 INFO L158 Benchmark]: Boogie Preprocessor took 21.31ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 97.1MB in the end (delta: 817.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:46,703 INFO L158 Benchmark]: RCFGBuilder took 302.03ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 85.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:42:46,704 INFO L158 Benchmark]: CodeCheck took 1450.42ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 64.8MB in the end (delta: 20.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-05 21:42:46,704 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 607.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:46,707 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, 13 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 0 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) [L534] data.str.p2 = &data VAL [data={30192:0}] [L535] data.str.c[1] = sizeof data.str.p1 [L536] return 0; [L536] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.13ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.31ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 97.1MB in the end (delta: 817.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.03ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 85.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1450.42ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 64.8MB in the end (delta: 20.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 607.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:42:46,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:42:48,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:42:49,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 21:42:49,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:42:49,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:42:49,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:42:49,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:42:49,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:42:49,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:42:49,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:42:49,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:49,117 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:42:49,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:42:49,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:49,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:42:49,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:42:49,118 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:42:49,118 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:49,118 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:42:49,118 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_b598bbdd-646d-44fa-8a33-27032678aef0/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2024-12-05 21:42:49,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:42:49,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:42:49,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:42:49,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:42:49,444 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:42:49,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety/test-0158-2.i [2024-12-05 21:42:52,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/cdfa9d9f3/85458f6082104a3492ef3916dc9364e6/FLAGd96b31c88 [2024-12-05 21:42:52,688 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:42:52,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/sv-benchmarks/c/memsafety/test-0158-2.i [2024-12-05 21:42:52,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/cdfa9d9f3/85458f6082104a3492ef3916dc9364e6/FLAGd96b31c88 [2024-12-05 21:42:52,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/data/cdfa9d9f3/85458f6082104a3492ef3916dc9364e6 [2024-12-05 21:42:52,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:42:52,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:42:52,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:52,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:42:52,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:42:52,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:52" (1/1) ... [2024-12-05 21:42:52,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd9ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:52, skipping insertion in model container [2024-12-05 21:42:52,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:52" (1/1) ... [2024-12-05 21:42:52,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:42:52,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:52,993 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:42:53,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:53,069 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:42:53,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53 WrapperNode [2024-12-05 21:42:53,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:53,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:53,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:42:53,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:42:53,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,105 INFO L138 Inliner]: procedures = 124, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-12-05 21:42:53,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:53,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:42:53,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:42:53,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:42:53,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:42:53,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:42:53,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:42:53,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:42:53,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:53,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:42:53,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:42:53,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:42:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:42:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:42:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:42:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:42:53,280 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:42:53,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:42:53,422 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-05 21:42:53,422 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:42:53,451 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:42:53,451 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:42:53,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:53 BoogieIcfgContainer [2024-12-05 21:42:53,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:42:53,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:42:53,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:42:53,460 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:42:53,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:53" (1/1) ... [2024-12-05 21:42:53,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:42:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-12-05 21:42:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-12-05 21:42:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 21:42:53,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:53,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:53,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:42:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:53,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:53,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:42:53,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:53,713 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-05 21:42:53,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-05 21:42:53,737 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 21:42:53,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:42:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-12-05 21:42:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-12-05 21:42:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 21:42:53,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:53,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:53,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:42:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:53,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:53,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 21:42:53,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:42:53,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-05 21:42:53,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 21:42:53,975 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 21:42:53,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:42:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-12-05 21:42:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-12-05 21:42:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:42:54,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:54,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:54,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:54,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:54,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:42:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:42:54,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:54,230 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 21:42:54,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:42:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-12-05 21:42:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-12-05 21:42:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:42:54,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:54,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:54,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:54,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:54,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:42:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 21:42:54,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:42:54,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-05 21:42:54,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 21:42:54,452 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 21:42:54,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:42:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-12-05 21:42:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-12-05 21:42:54,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:42:54,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:54,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:54,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:54,500 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:54,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:42:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:42:54,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:54,619 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 21:42:54,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:42:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-05 21:42:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-05 21:42:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:42:54,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:54,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:54,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:54,659 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:54,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:42:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:54,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:42:54,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:54,823 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 21:42:54,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:42:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-12-05 21:42:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-12-05 21:42:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:42:54,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:54,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:54,996 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:54,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:42:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:55,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:55,458 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:55,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 21:42:55,710 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-05 21:42:55,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:42:55 ImpRootNode [2024-12-05 21:42:55,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:42:55,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:42:55,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:42:55,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:42:55,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:53" (3/4) ... [2024-12-05 21:42:55,727 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:42:55,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:42:55,729 INFO L158 Benchmark]: Toolchain (without parser) took 3013.44ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 64.8MB in the end (delta: 4.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-12-05 21:42:55,729 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:55,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.92ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 51.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:42:55,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 49.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:55,729 INFO L158 Benchmark]: Boogie Preprocessor took 24.27ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:55,730 INFO L158 Benchmark]: RCFGBuilder took 320.51ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 65.6MB in the end (delta: -16.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:55,730 INFO L158 Benchmark]: CodeCheck took 2272.15ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 64.8MB in the end (delta: 743.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-12-05 21:42:55,730 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:55,732 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, 13 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 0 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 3 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) [L534] data.str.p2 = &data VAL [data={1140850689:0}] [L535] data.str.c[1] = sizeof data.str.p1 [L536] return 0; [L536] return 0; VAL [\result=0] * 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 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.92ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 51.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 49.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.27ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.51ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 65.6MB in the end (delta: -16.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 2272.15ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 64.8MB in the end (delta: 743.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.8MB 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 21:42:55,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b598bbdd-646d-44fa-8a33-27032678aef0/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