./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9 --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 c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:43:57,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:43:57,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 03:43:57,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:43:57,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:43:57,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:43:57,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:43:57,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:43:57,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:43:57,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:43:57,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:43:57,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:43:57,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:43:57,449 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:43:57,449 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:43:57,450 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:43:57,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:43:57,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:43:57,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:43:57,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:43:57,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:43:57,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:43:57,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:43:57,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:43:57,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:57,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:43:57,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:43:57,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:43:57,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:43:57,457 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_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba [2023-12-03 03:43:57,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:43:57,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:43:57,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:43:57,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:43:57,675 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:43:57,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2023-12-03 03:44:00,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:44:00,596 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:44:00,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2023-12-03 03:44:00,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/data/a0a7f3861/1846a9ef82c5431e89b455409e5d6327/FLAG291b50c60 [2023-12-03 03:44:00,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/data/a0a7f3861/1846a9ef82c5431e89b455409e5d6327 [2023-12-03 03:44:00,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:44:00,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:44:00,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:00,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:44:00,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:44:00,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0068bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00, skipping insertion in model container [2023-12-03 03:44:00,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:44:00,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:00,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:44:00,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:00,845 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:44:00,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00 WrapperNode [2023-12-03 03:44:00,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:00,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:00,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:44:00,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:44:00,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,881 INFO L138 Inliner]: procedures = 8, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-12-03 03:44:00,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:00,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:44:00,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:44:00,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:44:00,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:44:00,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:44:00,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:44:00,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:44:00,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:00,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:44:00,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:44:00,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:44:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:44:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:44:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:44:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:44:01,046 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:44:01,049 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:44:01,161 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:44:01,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:44:01,198 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:44:01,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:01 BoogieIcfgContainer [2023-12-03 03:44:01,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:44:01,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:44:01,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:44:01,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:44:01,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:01" (1/1) ... [2023-12-03 03:44:01,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:44:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-03 03:44:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-03 03:44:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:44:01,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-12-03 03:44:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-12-03 03:44:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:44:01,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:01,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:01,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 03:44:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 03:44:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:44:01,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 03:44:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 03:44:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:44:01,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:01,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-03 03:44:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-03 03:44:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:44:02,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-12-03 03:44:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-12-03 03:44:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:44:02,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-12-03 03:44:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-12-03 03:44:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:44:02,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-12-03 03:44:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-12-03 03:44:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:44:02,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:44:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-12-03 03:44:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-12-03 03:44:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:44:03,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2023-12-03 03:44:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-12-03 03:44:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:44:04,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-03 03:44:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-03 03:44:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:44:04,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-12-03 03:44:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-12-03 03:44:05,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:44:05,245 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-12-03 03:44:05,253 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-12-03 03:44:05,321 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 03:44:05,325 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 03:44:05,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-03 03:44:05,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated [2023-12-03 03:44:05,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#array~0!base] could not be translated [2023-12-03 03:44:05,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated [2023-12-03 03:44:05,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:44:05 ImpRootNode [2023-12-03 03:44:05,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:44:05,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:44:05,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:44:05,334 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:44:05,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:01" (3/4) ... [2023-12-03 03:44:05,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:44:05,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 03:44:05,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 03:44:05,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:44:05,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:44:05,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:44:05,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:44:05,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:44:05,428 INFO L158 Benchmark]: Toolchain (without parser) took 4803.65ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 112.4MB in the beginning and 76.2MB in the end (delta: 36.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,428 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:05,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.92ms. Allocated memory is still 155.2MB. Free memory was 111.9MB in the beginning and 102.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.27ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,429 INFO L158 Benchmark]: Boogie Preprocessor took 21.81ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 99.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:05,430 INFO L158 Benchmark]: RCFGBuilder took 294.70ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 88.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,430 INFO L158 Benchmark]: CodeCheck took 4132.98ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 80.4MB in the end (delta: 8.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,431 INFO L158 Benchmark]: Witness Printer took 93.42ms. Allocated memory is still 186.6MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:44:05,433 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, 11 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 913 IncrementalHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 22 mSDtfsCounter, 913 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 414 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3598 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 18/23 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.92ms. Allocated memory is still 155.2MB. Free memory was 111.9MB in the beginning and 102.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.27ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.81ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 99.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.70ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 88.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4132.98ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 80.4MB in the end (delta: 8.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 93.42ms. Allocated memory is still 186.6MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 03:44:05,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8af43f-2c4b-4f80-929d-cc9866c02649/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE