./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:58,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:58,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-11 23:47:58,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:58,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:58,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:58,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:58,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:58,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:58,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:58,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:58,597 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:47:58,598 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:47:58,600 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:47:58,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:58,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:58,602 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:58,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:58,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:58,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:58,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:58,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:58,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:58,606 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:58,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:58,607 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_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2023-11-11 23:47:58,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:58,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:58,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:58,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:58,976 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:58,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2023-11-11 23:48:02,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:02,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:02,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2023-11-11 23:48:02,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/data/d9251f221/adb2dd0ac2fd4c88a068abdb052f77a2/FLAGf3c9ab87e [2023-11-11 23:48:02,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/data/d9251f221/adb2dd0ac2fd4c88a068abdb052f77a2 [2023-11-11 23:48:02,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:02,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:02,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:02,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:02,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:02,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528cc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02, skipping insertion in model container [2023-11-11 23:48:02,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,738 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:02,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:02,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:02,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:02,990 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:02,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02 WrapperNode [2023-11-11 23:48:02,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:02,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:02,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:02,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:03,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,032 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-11-11 23:48:03,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:03,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:03,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:03,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:03,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:03,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:03,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:03,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:03,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:03,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:03,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-11 23:48:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-11 23:48:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:03,225 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:03,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:03,412 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:03,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:03,445 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:48:03,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:03 BoogieIcfgContainer [2023-11-11 23:48:03,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:03,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:03,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:03,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:03,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:03" (1/1) ... [2023-11-11 23:48:03,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2023-11-11 23:48:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-11-11 23:48:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:48:03,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2023-11-11 23:48:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-11-11 23:48:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:48:03,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:03,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2023-11-11 23:48:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2023-11-11 23:48:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:48:04,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2023-11-11 23:48:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2023-11-11 23:48:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:04,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:04,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 40 transitions. [2023-11-11 23:48:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-11 23:48:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:04,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:04,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 43 transitions. [2023-11-11 23:48:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-11 23:48:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:05,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 42 transitions. [2023-11-11 23:48:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-11 23:48:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:05,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2023-11-11 23:48:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-11 23:48:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:06,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2023-11-11 23:48:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-11 23:48:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:06,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2023-11-11 23:48:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-11 23:48:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:06,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2023-11-11 23:48:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-11 23:48:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:06,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2023-11-11 23:48:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-11 23:48:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:06,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 46 transitions. [2023-11-11 23:48:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-11 23:48:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:06,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 54 transitions. [2023-11-11 23:48:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-11 23:48:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:48:07,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 43 transitions. [2023-11-11 23:48:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-11 23:48:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:48:08,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 39 transitions. [2023-11-11 23:48:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-11 23:48:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:08,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 38 transitions. [2023-11-11 23:48:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-11 23:48:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:48:09,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:09,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:48:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 42 transitions. [2023-11-11 23:48:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-11 23:48:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:48:09,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:09,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:48:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 29 transitions. [2023-11-11 23:48:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:48:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:48:10,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 46 transitions. [2023-11-11 23:48:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-11 23:48:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:48:12,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 54 transitions. [2023-11-11 23:48:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2023-11-11 23:48:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:48:13,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 22 states and 25 transitions. [2023-11-11 23:48:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-11 23:48:13,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:48:13,992 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2023-11-11 23:48:14,005 INFO L753 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2023-11-11 23:48:14,257 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:48:14,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:14 ImpRootNode [2023-11-11 23:48:14,262 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:14,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:14,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:14,263 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:14,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:03" (3/4) ... [2023-11-11 23:48:14,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:48:14,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec [2023-11-11 23:48:14,282 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-11 23:48:14,283 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:48:14,283 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:48:14,283 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:48:14,404 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:48:14,405 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:48:14,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:14,406 INFO L158 Benchmark]: Toolchain (without parser) took 11699.45ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 105.0MB in the beginning and 101.9MB in the end (delta: 3.0MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,407 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 96.5MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:14,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.89ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 95.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,408 INFO L158 Benchmark]: Boogie Preprocessor took 43.28ms. Allocated memory is still 146.8MB. Free memory was 93.8MB in the beginning and 92.8MB in the end (delta: 963.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:14,408 INFO L158 Benchmark]: RCFGBuilder took 370.15ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,410 INFO L158 Benchmark]: CodeCheck took 10813.14ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 79.8MB in the beginning and 107.2MB in the end (delta: -27.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,411 INFO L158 Benchmark]: Witness Printer took 142.81ms. Allocated memory is still 211.8MB. Free memory was 106.1MB in the beginning and 101.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:14,413 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 2 procedures, 34 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 821 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 633 mSDsluCounter, 618 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 766 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2395 IncrementalHoareTripleChecker+Invalid, 3161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 766 mSolverCounterUnsat, 312 mSDtfsCounter, 2395 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1967 GetRequests, 1771 SyntacticMatches, 54 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7709 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 23/23 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: 11]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 11]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 11]: free always succeeds For all program executions holds that free 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: -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: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 96.5MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.89ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 95.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.28ms. Allocated memory is still 146.8MB. Free memory was 93.8MB in the beginning and 92.8MB in the end (delta: 963.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.15ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10813.14ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 79.8MB in the beginning and 107.2MB in the end (delta: -27.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 142.81ms. Allocated memory is still 211.8MB. Free memory was 106.1MB in the beginning and 101.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:48:14,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c3816e-5b62-40c6-a4c4-d5871177ba5a/bin/ukojak-verify-0OAaufAVZV/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