./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/basename-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/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_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/basename-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e90cfbacdda20e6be76d151b413bd2dd94f7cfd4eb0e599012526f6643aab85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:30,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:30,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:55:30,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:30,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:30,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:30,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:30,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:30,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:30,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:30,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:30,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:30,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:30,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:30,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:30,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:30,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:30,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:30,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:30,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:30,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:30,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:30,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:30,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:30,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:30,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:30,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:30,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:30,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:30,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:30,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:30,443 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_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e90cfbacdda20e6be76d151b413bd2dd94f7cfd4eb0e599012526f6643aab85 [2023-11-11 23:55:30,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:30,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:30,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:30,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:30,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:30,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-dietlibc/basename-3.i [2023-11-11 23:55:33,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:34,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:34,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/sv-benchmarks/c/termination-dietlibc/basename-3.i [2023-11-11 23:55:34,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/data/21272bcc7/e086782c73c843fab3749031fc7bd189/FLAG792c607e6 [2023-11-11 23:55:34,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/data/21272bcc7/e086782c73c843fab3749031fc7bd189 [2023-11-11 23:55:34,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:34,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:34,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:34,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:34,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:34,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec54707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34, skipping insertion in model container [2023-11-11 23:55:34,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:34,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:34,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:34,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:34,918 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:34,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34 WrapperNode [2023-11-11 23:55:34,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:34,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:34,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:34,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:34,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,969 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-11-11 23:55:34,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:34,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:34,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:34,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:34,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:35,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:35,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:35,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:35,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:35,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:35,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:35,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:35,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:35,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:35,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:35,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:35,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:35,214 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:35,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:35,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:35,481 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:35,481 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:35,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35 BoogieIcfgContainer [2023-11-11 23:55:35,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:35,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:35,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:35,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:35,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-11 23:55:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-11 23:55:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:55:35,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,821 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 23:55:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-11 23:55:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-11 23:55:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:35,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,962 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 23:55:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-11 23:55:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-11 23:55:36,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:55:36,073 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-11 23:55:36,084 INFO L753 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-11 23:55:36,112 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:36,117 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:36,117 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:36,117 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:36,118 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:36,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:36 ImpRootNode [2023-11-11 23:55:36,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:36,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:36,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:36,120 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:36,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (3/4) ... [2023-11-11 23:55:36,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:55:36,141 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-11 23:55:36,141 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:55:36,142 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:55:36,142 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:55:36,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:55:36,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:55:36,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:36,256 INFO L158 Benchmark]: Toolchain (without parser) took 1827.19ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 96.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,256 INFO L158 Benchmark]: CDTParser took 5.24ms. Allocated memory is still 125.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:36,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.21ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 105.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.95ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,258 INFO L158 Benchmark]: Boogie Preprocessor took 35.59ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,258 INFO L158 Benchmark]: RCFGBuilder took 476.74ms. Allocated memory is still 151.0MB. Free memory was 102.5MB in the beginning and 118.6MB in the end (delta: -16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,259 INFO L158 Benchmark]: CodeCheck took 633.76ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 100.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,260 INFO L158 Benchmark]: Witness Printer took 135.46ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 96.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:36,262 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 4 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 533]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 533]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.24ms. Allocated memory is still 125.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.21ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 105.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.95ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.59ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.74ms. Allocated memory is still 151.0MB. Free memory was 102.5MB in the beginning and 118.6MB in the end (delta: -16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 633.76ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 100.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 135.46ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 96.4MB 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 23:55:36,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca3e7ab-94d3-42e5-8040-15db1f99f5c1/bin/ukojak-verify-0OAaufAVZV/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: TRUE