./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm --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 259bfcd873588814e088898e4981f46590f932aee2da2f55ae10ea092184a0e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:04,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:04,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:33:04,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:04,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:04,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:04,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:04,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:04,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:04,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:04,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:04,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:04,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:04,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:04,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:04,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:04,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:04,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:04,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:04,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:04,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:04,186 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:04,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:04,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm 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 -> 259bfcd873588814e088898e4981f46590f932aee2da2f55ae10ea092184a0e4 [2024-11-13 22:33:04,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:04,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:04,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:04,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:04,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:04,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i Unable to find full path for "g++" [2024-11-13 22:33:06,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:06,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:06,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i [2024-11-13 22:33:06,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/data/c90a724f9/d2b2723d56ed45169fb5a79f41fa8841/FLAG81d2c451e [2024-11-13 22:33:06,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/data/c90a724f9/d2b2723d56ed45169fb5a79f41fa8841 [2024-11-13 22:33:06,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:06,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:06,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:06,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:06,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:06,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2024-11-13 22:33:06,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:06, skipping insertion in model container [2024-11-13 22:33:06,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2024-11-13 22:33:06,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:07,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:07,043 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:07,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:07,073 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:07,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07 WrapperNode [2024-11-13 22:33:07,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:07,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:07,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:07,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:07,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,105 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2024-11-13 22:33:07,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:07,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:07,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:07,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:07,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:07,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:07,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:07,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:07,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:07,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:07,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:33:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:07,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:07,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:07,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:07,391 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:07,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:07,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:07,461 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:07,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:07 BoogieIcfgContainer [2024-11-13 22:33:07,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:07,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:07,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:07,473 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:07,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:07" (1/1) ... [2024-11-13 22:33:07,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-13 22:33:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-13 22:33:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:33:07,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2024-11-13 22:33:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-11-13 22:33:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:33:07,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 22:33:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 22:33:07,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:33:07,943 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 22:33:07,951 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 22:33:07,969 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-13 22:33:07,969 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:33:07,969 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| (+ 4294967295 |ULTIMATE.start_main_~y~0#1|)) [2024-11-13 22:33:07,969 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:33:07,969 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-13 22:33:07,970 INFO L77 FloydHoareUtils]: At program point L24-2(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| (+ 4294967295 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| (+ 4294967295 |ULTIMATE.start_main_~x~0#1|))) [2024-11-13 22:33:07,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:07 ImpRootNode [2024-11-13 22:33:07,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:07,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:07,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:07,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:07,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:07" (3/4) ... [2024-11-13 22:33:07,984 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:33:07,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 22:33:07,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:33:07,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:33:07,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:33:08,074 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:33:08,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:33:08,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:08,076 INFO L158 Benchmark]: Toolchain (without parser) took 1233.85ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 48.7MB in the end (delta: 44.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:33:08,078 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:08,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.49ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 83.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:08,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.06ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:08,079 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 743.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:08,079 INFO L158 Benchmark]: RCFGBuilder took 334.67ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:08,079 INFO L158 Benchmark]: CodeCheck took 518.13ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 52.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:08,080 INFO L158 Benchmark]: Witness Printer took 94.39ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 48.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:08,084 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: 0.4s, 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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: 25]: Location Invariant Derived location invariant: (x <= (4294967295 + y)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.49ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 83.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.06ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 743.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.67ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 518.13ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 52.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 94.39ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 48.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:33:08,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_858afbe7-7042-4680-a487-7095a998f4a0/bin/ukojak-verify-EEHR8qb7sm/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