./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash c5b4d49ed355d17b40c7c15c8d941a48fee7b460246f38a9abf01ac4ff49690a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:49,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:49,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:51:49,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:49,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:49,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:49,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:49,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:49,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:49,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:49,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:49,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:49,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:49,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:49,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:49,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:49,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:49,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:49,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:49,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:49,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:49,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:49,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:49,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:49,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:49,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:49,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:49,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:49,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:49,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:49,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:49,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:49,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:49,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:49,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:49,880 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_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5b4d49ed355d17b40c7c15c8d941a48fee7b460246f38a9abf01ac4ff49690a [2023-11-24 22:51:50,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:50,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:50,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:50,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:50,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:50,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i [2023-11-24 22:51:53,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:53,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:53,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i [2023-11-24 22:51:53,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/data/f510c5ccf/5967881f8597460abbef7ea2d0b530eb/FLAG8a135c1aa [2023-11-24 22:51:53,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/data/f510c5ccf/5967881f8597460abbef7ea2d0b530eb [2023-11-24 22:51:53,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:53,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:53,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:53,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:53,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:53,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:53" (1/1) ... [2023-11-24 22:51:53,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea504f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:53, skipping insertion in model container [2023-11-24 22:51:53,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:53" (1/1) ... [2023-11-24 22:51:53,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:53,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:53,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:54,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:54,029 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:54,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54 WrapperNode [2023-11-24 22:51:54,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:54,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:54,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:54,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:54,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,064 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2023-11-24 22:51:54,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:54,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:54,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:54,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:54,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:54,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:54,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:54,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:54,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:54,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:54,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:54,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:54,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:54,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:54,437 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:54,438 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:51:54,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:54 BoogieIcfgContainer [2023-11-24 22:51:54,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:54,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:54,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:54,455 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:54,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:54" (1/1) ... [2023-11-24 22:51:54,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2023-11-24 22:51:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-24 22:51:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:51:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2023-11-24 22:51:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-24 22:51:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:54,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-24 22:51:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-24 22:51:54,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:51:54,937 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-24 22:51:54,948 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-24 22:51:54,970 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-24 22:51:54,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:54 ImpRootNode [2023-11-24 22:51:54,979 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:54,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:54,982 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:54,982 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:54,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:54" (3/4) ... [2023-11-24 22:51:54,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:51:55,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-24 22:51:55,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:51:55,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:51:55,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:51:55,121 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:51:55,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:51:55,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:55,125 INFO L158 Benchmark]: Toolchain (without parser) took 1379.81ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 70.5MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,126 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:55,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.53ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.95ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 105.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:55,132 INFO L158 Benchmark]: Boogie Preprocessor took 36.68ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 104.6MB in the end (delta: 821.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,133 INFO L158 Benchmark]: RCFGBuilder took 337.21ms. Allocated memory is still 163.6MB. Free memory was 104.0MB in the beginning and 92.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,133 INFO L158 Benchmark]: CodeCheck took 538.75ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,134 INFO L158 Benchmark]: Witness Printer took 142.90ms. Allocated memory is still 163.6MB. Free memory was 74.7MB in the beginning and 70.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:55,136 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, 6 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, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: 27]: Loop Invariant Derived loop invariant: (p1 <= (p0 + 4294967295)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.53ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.95ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 105.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.68ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 104.6MB in the end (delta: 821.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.21ms. Allocated memory is still 163.6MB. Free memory was 104.0MB in the beginning and 92.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 538.75ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 75.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 142.90ms. Allocated memory is still 163.6MB. Free memory was 74.7MB in the beginning and 70.5MB 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! [2023-11-24 22:51:55,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6357662b-6b28-4af2-bcd5-954eb057f7e1/bin/ukojak-verify-afCqCEvfdi/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