./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm --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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:13,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:13,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:07:13,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:13,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:13,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:13,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:13,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:13,248 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:13,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:13,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:13,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:13,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:13,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:13,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:13,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:13,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:13,254 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_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm 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 -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-11-13 21:07:13,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:13,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:13,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:13,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:13,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:13,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i Unable to find full path for "g++" [2024-11-13 21:07:15,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:15,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:15,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-11-13 21:07:15,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/86a0b3f91/daeb228e917e4b2cad7a1b17b74cfc0f/FLAG7ea4cc52a [2024-11-13 21:07:16,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/86a0b3f91/daeb228e917e4b2cad7a1b17b74cfc0f [2024-11-13 21:07:16,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:16,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:16,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:16,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:16,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:16,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4831c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16, skipping insertion in model container [2024-11-13 21:07:16,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:16,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:16,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:16,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:16,643 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:16,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16 WrapperNode [2024-11-13 21:07:16,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:16,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:16,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:16,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:16,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,700 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 71 [2024-11-13 21:07:16,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:16,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:16,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:16,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:16,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:16,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:16,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:16,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:16,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:16" (1/1) ... [2024-11-13 21:07:16,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:16,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:16,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:07:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:07:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:07:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:07:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:07:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:16,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:16,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:17,109 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:17,109 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:17,222 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:17,222 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:07:17,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:17 BoogieIcfgContainer [2024-11-13 21:07:17,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:17,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:17,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:17,234 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:17,234 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:17" (1/1) ... [2024-11-13 21:07:17,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-13 21:07:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 21:07:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:07:17,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-13 21:07:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-13 21:07:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:07:17,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:17,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-13 21:07:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-13 21:07:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:07:18,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-13 21:07:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-13 21:07:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:07:20,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:07:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:07:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:07:20,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:20,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:20,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:20,959 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 21:07:20,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:20 ImpRootNode [2024-11-13 21:07:20,994 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:20,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:20,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:20,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:20,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:17" (3/4) ... [2024-11-13 21:07:20,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:21,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:21,003 INFO L158 Benchmark]: Toolchain (without parser) took 4934.63ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 40.2MB in the end (delta: 50.9MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,004 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.24ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.2MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.42ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,005 INFO L158 Benchmark]: Boogie Preprocessor took 23.59ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 66.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,005 INFO L158 Benchmark]: RCFGBuilder took 496.22ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 49.0MB in the end (delta: 17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,008 INFO L158 Benchmark]: CodeCheck took 3771.21ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 40.2MB in the end (delta: 8.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,008 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,010 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 11 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - UnprovableResult [Line: 778]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 778. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L779] CALL entry_point() [L761] int len = 10; [L762] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) [L762] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L763] struct A18 *p; [L764] int i=0; [L765] int j; VAL [array={-1:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L766] COND FALSE !(!array) VAL [array={-1:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L767] COND TRUE i=0) VAL [array={-1:0}, ldv_global_msg_list={1:0}, len=10] [L779] RET entry_point() * 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 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.24ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.2MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.42ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 67.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.59ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 66.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.22ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 49.0MB in the end (delta: 17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3771.21ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 40.2MB in the end (delta: 8.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:07:21,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm --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 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:24,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:24,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 21:07:24,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:24,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:24,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:24,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:07:24,428 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:07:24,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:24,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:24,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:07:24,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:24,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:24,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:24,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:24,433 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:07:24,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:24,434 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:07:24,434 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_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm 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 -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-11-13 21:07:24,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:24,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:24,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:24,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:24,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:24,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i Unable to find full path for "g++" [2024-11-13 21:07:26,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:27,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:27,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-11-13 21:07:27,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/4f3394ed1/bbe6937bc18b4f5ca46079d83e54d96d/FLAG0dc51015a [2024-11-13 21:07:27,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/data/4f3394ed1/bbe6937bc18b4f5ca46079d83e54d96d [2024-11-13 21:07:27,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:27,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:27,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:27,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:27,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:27,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:27" (1/1) ... [2024-11-13 21:07:27,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fd7a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:27, skipping insertion in model container [2024-11-13 21:07:27,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:27" (1/1) ... [2024-11-13 21:07:27,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:27,958 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,022 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,027 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:28,053 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 21:07:28,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:28,131 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,178 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,180 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:28,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:28,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:28,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:28,347 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:28,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28 WrapperNode [2024-11-13 21:07:28,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:28,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:28,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:28,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:28,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,416 INFO L138 Inliner]: procedures = 165, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 70 [2024-11-13 21:07:28,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:28,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:28,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:28,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:28,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:28,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:28,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:28,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:28,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:28" (1/1) ... [2024-11-13 21:07:28,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:28,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:28,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:28,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:28,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:07:28,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:28,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:07:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:07:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:07:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:07:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:28,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:28,698 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:28,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:28,916 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:28,917 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:29,008 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:29,008 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:07:29,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:29 BoogieIcfgContainer [2024-11-13 21:07:29,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:29,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:29,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:29,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:29,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-13 21:07:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 21:07:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:07:29,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:29,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:07:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:29,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:29,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:07:29,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:29,438 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:07:29,439 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-13 21:07:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:29,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:07:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-13 21:07:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-13 21:07:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:07:29,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:29,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:29,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:29,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:07:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:29,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:29,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:07:29,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:29,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:07:29,933 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 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-13 21:07:30,338 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-13 21:07:30,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-13 21:07:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:30,731 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:07:30,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:07:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:07:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:07:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:07:31,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:31,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:31,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:31,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:31,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:07:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:31,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:31,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:07:31,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:31,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-11-13 21:07:31,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 21:07:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:07:32,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 21:07:32,216 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 21:07:32,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 42 [2024-11-13 21:07:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:32,572 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:07:32,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:07:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 21:07:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 21:07:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:07:35,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:35,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:35,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:35,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:07:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:35,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:35,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:35,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:35,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:07:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-13 21:07:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-13 21:07:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:07:36,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:36,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:36,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:36,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:36,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:07:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:36,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:36,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:36,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:36,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:07:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-13 21:07:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 21:07:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:07:37,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:37,204 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:37,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:07:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:37,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:37,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:37,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:07:37,438 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 21:07:37,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:37 ImpRootNode [2024-11-13 21:07:37,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:37,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:37,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:37,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:37,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:29" (3/4) ... [2024-11-13 21:07:37,482 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:37,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:37,484 INFO L158 Benchmark]: Toolchain (without parser) took 9945.79ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 65.2MB in the end (delta: 28.6MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,484 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.58ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 65.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.53ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,486 INFO L158 Benchmark]: Boogie Preprocessor took 52.12ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,487 INFO L158 Benchmark]: RCFGBuilder took 533.43ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 41.7MB in the end (delta: 20.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,487 INFO L158 Benchmark]: CodeCheck took 8466.57ms. Allocated memory is still 117.4MB. Free memory was 41.7MB in the beginning and 65.2MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,488 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,490 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 22 mSDtfsCounter, 327 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 1 QuantifiedInterpolants, 325 SizeOfPredicates, 13 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 26 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 - UnprovableResult [Line: 778]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 778. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L779] CALL entry_point() [L761] int len = 10; [L762] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) [L762] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L763] struct A18 *p; [L764] int i=0; [L765] int j; VAL [array={524288:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L766] COND FALSE !(!array) VAL [array={524288:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L767] COND TRUE i=0) VAL [array={524288:0}, ldv_global_msg_list={1:0}, len=10] [L779] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.58ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 65.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.53ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.12ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.43ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 41.7MB in the end (delta: 20.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 8466.57ms. Allocated memory is still 117.4MB. Free memory was 41.7MB in the beginning and 65.2MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:07:37,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe090ab0-707d-4356-9efb-6e7911257b41/bin/ukojak-verify-EEHR8qb7sm/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