./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strchr_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strchr_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b --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 b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:14:03,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:14:03,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:14:03,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:14:03,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:14:03,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:14:03,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:14:03,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:14:03,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:14:03,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:14:03,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:14:03,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:14:03,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:14:03,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:03,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:14:03,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:14:03,175 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_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b 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 -> b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 [2024-12-06 03:14:03,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:14:03,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:14:03,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:14:03,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:14:03,435 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:14:03,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-dietlibc/strchr_short.i [2024-12-06 03:14:06,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/data/c0620e65f/ce82ddce8960446e808137e0a434133e/FLAGa17d5e08b [2024-12-06 03:14:06,282 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:14:06,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/sv-benchmarks/c/termination-dietlibc/strchr_short.i [2024-12-06 03:14:06,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/data/c0620e65f/ce82ddce8960446e808137e0a434133e/FLAGa17d5e08b [2024-12-06 03:14:06,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/data/c0620e65f/ce82ddce8960446e808137e0a434133e [2024-12-06 03:14:06,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:14:06,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:14:06,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:06,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:14:06,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:14:06,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44827ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06, skipping insertion in model container [2024-12-06 03:14:06,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:14:06,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:06,552 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:14:06,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:06,603 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:14:06,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06 WrapperNode [2024-12-06 03:14:06,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:06,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:06,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:14:06,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:14:06,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,631 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-12-06 03:14:06,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:06,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:14:06,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:14:06,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:14:06,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:14:06,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:14:06,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:14:06,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:14:06,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:06,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:14:06,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:14:06,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:14:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:14:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:14:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:14:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:14:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:14:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:14:06,760 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:14:06,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:14:06,860 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 03:14:06,860 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:14:06,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:14:06,873 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:14:06,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:06 BoogieIcfgContainer [2024-12-06 03:14:06,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:14:06,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:14:06,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:14:06,882 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:14:06,883 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:06" (1/1) ... [2024-12-06 03:14:06,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:14:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-06 03:14:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-06 03:14:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:14:06,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:06,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:14:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 03:14:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 03:14:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:14:07,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:14:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-06 03:14:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-06 03:14:07,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:14:07,212 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-06 03:14:07,217 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 03:14:07,236 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 518) no Hoare annotation was computed. [2024-12-06 03:14:07,236 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:14:07,236 INFO L77 FloydHoareUtils]: At program point L510(line 510) the Hoare annotation is: true [2024-12-06 03:14:07,236 INFO L77 FloydHoareUtils]: At program point L510-2(line 510) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 514 521) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 518) no Hoare annotation was computed. [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point L509-1(lines 509 511) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point L509-2(lines 509 511) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point strchr_returnLabel#1(lines 506 513) the Hoare annotation is: true [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point L518(line 518) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~in_len~0#1|)) [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point L518-1(line 518) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-12-06 03:14:07,237 INFO L77 FloydHoareUtils]: At program point L516(line 516) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-12-06 03:14:07,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:14:07 ImpRootNode [2024-12-06 03:14:07,244 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:14:07,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:14:07,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:14:07,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:14:07,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:06" (3/4) ... [2024-12-06 03:14:07,247 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:14:07,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 03:14:07,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:14:07,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:14:07,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:14:07,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:14:07,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:14:07,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:14:07,306 INFO L158 Benchmark]: Toolchain (without parser) took 996.79ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 64.5MB in the end (delta: 52.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 03:14:07,306 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:07,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.08ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 100.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:14:07,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.89ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:07,307 INFO L158 Benchmark]: Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 98.0MB in the end (delta: 784.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:07,307 INFO L158 Benchmark]: RCFGBuilder took 222.05ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 86.5MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:14:07,307 INFO L158 Benchmark]: CodeCheck took 369.92ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 69.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:14:07,308 INFO L158 Benchmark]: Witness Printer took 60.31ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 64.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:07,309 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.08ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 100.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.89ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 98.0MB in the end (delta: 784.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.05ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 86.5MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 369.92ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 69.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 60.31ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 64.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:14:07,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c9b7c-5cd7-499d-8231-ed03b3850b24/bin/ukojak-verify-CZk0znPC7b/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