./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:49:36,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:36,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:49:36,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:49:36,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:49:36,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:36,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:36,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:36,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:36,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:49:36,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:36,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:49:36,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:36,789 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:49:36,789 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:49:36,789 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:49:36,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:36,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:36,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:36,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:49:36,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:36,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:36,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:36,792 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:36,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:36,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:36,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:36,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:36,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:49:36,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:49:36,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-11-08 23:49:37,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:37,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:37,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:37,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:37,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:37,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i Unable to find full path for "g++" [2024-11-08 23:49:38,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:39,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:39,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-11-08 23:49:39,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/4070b3b1f/cc68a6b401f346db831dfc55acd53902/FLAGe3c634ad7 [2024-11-08 23:49:39,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/4070b3b1f/cc68a6b401f346db831dfc55acd53902 [2024-11-08 23:49:39,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:39,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:39,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:39,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:39,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:39,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:39" (1/1) ... [2024-11-08 23:49:39,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e111f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:39, skipping insertion in model container [2024-11-08 23:49:39,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:39" (1/1) ... [2024-11-08 23:49:39,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:39,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:39,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:40,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:40,069 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:40,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40 WrapperNode [2024-11-08 23:49:40,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:40,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:40,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:40,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:40,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,135 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 71 [2024-11-08 23:49:40,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:40,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:40,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:40,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:40,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:40,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:40,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:40,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:40,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:40,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:40,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:40,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:49:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:49:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:49:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:49:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:49:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:40,378 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:40,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:40,553 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:40,553 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:40,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:40,633 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:40,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:40 BoogieIcfgContainer [2024-11-08 23:49:40,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:40,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:40,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:40,673 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:40,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:40" (1/1) ... [2024-11-08 23:49:40,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-08 23:49:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-08 23:49:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:49:40,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-08 23:49:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-08 23:49:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:41,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-08 23:49:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 23:49:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:41,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-08 23:49:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-08 23:49:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:49:43,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:43,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-08 23:49:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-08 23:49:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:49:43,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:43,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:43,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:43,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:44,026 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-08 23:49:44,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:44 ImpRootNode [2024-11-08 23:49:44,057 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:44,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:44,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:44,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:44,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:40" (3/4) ... [2024-11-08 23:49:44,062 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:44,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:44,065 INFO L158 Benchmark]: Toolchain (without parser) took 4715.50ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 111.6MB in the beginning and 83.4MB in the end (delta: 28.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,066 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:44,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.63ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 86.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.25ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,068 INFO L158 Benchmark]: Boogie Preprocessor took 34.01ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,069 INFO L158 Benchmark]: RCFGBuilder took 461.75ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 64.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,070 INFO L158 Benchmark]: CodeCheck took 3422.17ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 64.4MB in the beginning and 84.5MB in the end (delta: -20.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,070 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:44,073 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, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 42 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 181 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 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={12315:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L766] COND FALSE !(!array) VAL [array={12315:0}, i=0, ldv_global_msg_list={1:0}, len=10] [L767] COND FALSE !(i=0 VAL [array={12315:0}, 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 0.30ms. Allocated memory is still 104.9MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.63ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 86.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.25ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.01ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.75ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 64.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3422.17ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 64.4MB in the beginning and 84.5MB in the end (delta: -20.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:49:44,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:49:46,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:46,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:49:46,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:46,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:46,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:46,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:46,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:49:46,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:46,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:49:46,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:46,545 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:49:46,545 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:49:46,545 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:49:46,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:46,546 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:49:46,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:49:46,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:46,547 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:49:46,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:46,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:49:46,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:46,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:46,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:46,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:46,553 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:46,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:49:46,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:46,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:46,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:46,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:46,559 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:49:46,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:46,560 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:49:46,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2024-11-08 23:49:46,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:46,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:46,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:46,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:46,987 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:46,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i Unable to find full path for "g++" [2024-11-08 23:49:49,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:49,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:49,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2024-11-08 23:49:49,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/6bb097ca0/8ed2faba0fa2441e9c71275502de3501/FLAGa7718c44c [2024-11-08 23:49:49,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/data/6bb097ca0/8ed2faba0fa2441e9c71275502de3501 [2024-11-08 23:49:49,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:49,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:49,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:49,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:49,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:49,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:49" (1/1) ... [2024-11-08 23:49:49,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6dcadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:49, skipping insertion in model container [2024-11-08 23:49:49,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:49" (1/1) ... [2024-11-08 23:49:49,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:49,995 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,068 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,069 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:50,099 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 23:49:50,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:50,149 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,183 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,184 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:49:50,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:50,198 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:50,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:50,308 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:50,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50 WrapperNode [2024-11-08 23:49:50,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:50,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:50,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:50,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:50,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,359 INFO L138 Inliner]: procedures = 165, calls = 72, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 70 [2024-11-08 23:49:50,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:50,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:50,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:50,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:50,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:50,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:50,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:50,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:50,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:50,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:50,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:50,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:50,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:50,843 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:50,843 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:50,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:50,973 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:50,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:50 BoogieIcfgContainer [2024-11-08 23:49:50,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:50,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:50,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:50,983 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:50,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:50" (1/1) ... [2024-11-08 23:49:50,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-08 23:49:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-08 23:49:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:49:51,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:51,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:49:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:51,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:51,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:49:51,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:51,457 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:49:51,458 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-11-08 23:49:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:51,541 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:49:51,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:49:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-08 23:49:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-08 23:49:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:51,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:51,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:51,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:49:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:51,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:51,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:49:51,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:51,927 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 [2024-11-08 23:49:51,940 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 [2024-11-08 23:49:52,326 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-08 23:49:52,327 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 [2024-11-08 23:49:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:52,715 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:49:52,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:49:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 23:49:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 23:49:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:53,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:53,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:53,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:53,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:49:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:53,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:53,698 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 [2024-11-08 23:49:53,713 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 [2024-11-08 23:49:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:49:54,195 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 [2024-11-08 23:49:54,249 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:49:54,249 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 [2024-11-08 23:49:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:54,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:49:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-08 23:49:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-08 23:49:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:49:56,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:56,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:56,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:49:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:56,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:56,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:49:56,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:57,032 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:49:57,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:49:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-08 23:49:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 23:49:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:49:58,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:58,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:58,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:58,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:49:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:49:58,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:58,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2024-11-08 23:49:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-08 23:49:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:49:58,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:58,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:58,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:58,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:49:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:58,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:59,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:59,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:49:59,070 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 23:49:59,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:59 ImpRootNode [2024-11-08 23:49:59,103 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:59,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:59,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:59,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:59,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:50" (3/4) ... [2024-11-08 23:49:59,108 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:59,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:59,111 INFO L158 Benchmark]: Toolchain (without parser) took 9613.34ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 39.4MB in the beginning and 64.4MB in the end (delta: -25.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,112 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 52.4MB. Free memory is still 28.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:59,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.76ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 43.2MB in the end (delta: -4.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.25ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,115 INFO L158 Benchmark]: Boogie Preprocessor took 51.54ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 39.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,116 INFO L158 Benchmark]: RCFGBuilder took 562.56ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 39.1MB in the beginning and 58.6MB in the end (delta: -19.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,116 INFO L158 Benchmark]: CodeCheck took 8127.26ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 58.6MB in the beginning and 64.4MB in the end (delta: -5.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:59,117 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 136.3MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:59,120 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, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 48 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 1 QuantifiedInterpolants, 358 SizeOfPredicates, 13 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 25 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 FALSE !(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 0.48ms. Allocated memory is still 52.4MB. Free memory is still 28.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.76ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 43.2MB in the end (delta: -4.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.25ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.54ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 39.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.56ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 39.1MB in the beginning and 58.6MB in the end (delta: -19.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 8127.26ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 58.6MB in the beginning and 64.4MB in the end (delta: -5.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 136.3MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:49:59,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cab79e1-4d5b-492e-ab49-6fb76f423c36/bin/ukojak-verify-ImItNfHLgk/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