./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --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_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/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_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/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_9ce0189b-b4a6-46de-887b-bfb4301029e3/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 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:10,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:10,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:03:10,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:03:10,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:03:10,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:10,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:10,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:10,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:10,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:10,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:10,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:10,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:10,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:10,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:10,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:10,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:10,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:03:10,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:03:10,148 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_9ce0189b-b4a6-46de-887b-bfb4301029e3/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 -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2024-11-13 21:03:10,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:10,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:10,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:10,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:10,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:10,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/test08.c Unable to find full path for "g++" [2024-11-13 21:03:12,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:12,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:12,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/sv-benchmarks/c/ldv-regression/test08.c [2024-11-13 21:03:12,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/data/9617d0afa/1b8c0250fd2d41c08ad46f8c3f319d85/FLAGa3c23449b [2024-11-13 21:03:12,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/data/9617d0afa/1b8c0250fd2d41c08ad46f8c3f319d85 [2024-11-13 21:03:12,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:12,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:12,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:12,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:12,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:12,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:12" (1/1) ... [2024-11-13 21:03:12,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da883d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:12, skipping insertion in model container [2024-11-13 21:03:12,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:12" (1/1) ... [2024-11-13 21:03:12,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:13,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:13,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:13,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:13,153 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:13,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13 WrapperNode [2024-11-13 21:03:13,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:13,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:13,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:13,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:13,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,197 INFO L138 Inliner]: procedures = 12, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 21:03:13,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:13,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:13,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:13,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:13,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:13,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:13,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:13,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:13,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:13,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:13,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:13,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:03:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:03:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:03:13,419 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:13,422 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:13,577 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:13,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:13,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:13,670 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:03:13,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:13 BoogieIcfgContainer [2024-11-13 21:03:13,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:13,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:13,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:13,683 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:13,684 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:13" (1/1) ... [2024-11-13 21:03:13,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-13 21:03:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-13 21:03:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:03:13,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:14,073 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 21:03:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-13 21:03:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 21:03:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:03:14,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:14,194 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 21:03:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-13 21:03:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 21:03:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:03:14,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:14,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:14,674 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 21:03:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-13 21:03:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 21:03:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:03:14,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:15,233 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 21:03:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 21:03:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 21:03:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:03:15,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:15,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:15,758 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 21:03:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 21:03:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 21:03:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:03:16,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:16,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:16,485 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 21:03:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 21:03:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 21:03:17,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:03:17,205 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:03:17,216 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 21:03:17,301 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:03:17,301 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:03:17,302 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 21:03:17,304 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 21:03:17,305 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-13 21:03:17,305 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-13 21:03:17,305 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:03:17,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:03:17,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 21:03:17,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 21:03:17,306 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-13 21:03:17,306 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-13 21:03:17,306 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) (<= |ULTIMATE.start_f_#t~mem6#1| |ULTIMATE.start_f_#t~mem4#1|)) [2024-11-13 21:03:17,306 INFO L77 FloydHoareUtils]: At program point L10-3(line 10) the Hoare annotation is: (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) [2024-11-13 21:03:17,317 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem5 [2024-11-13 21:03:17,318 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-11-13 21:03:17,321 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem6 [2024-11-13 21:03:17,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:03:17 ImpRootNode [2024-11-13 21:03:17,322 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:03:17,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:03:17,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:03:17,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:03:17,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:13" (3/4) ... [2024-11-13 21:03:17,327 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:03:17,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 21:03:17,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:03:17,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:03:17,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:03:17,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:03:17,423 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:03:17,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:03:17,424 INFO L158 Benchmark]: Toolchain (without parser) took 4546.13ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 49.6MB in the end (delta: 69.1MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:17,425 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:17,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.72ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:17,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.53ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:17,426 INFO L158 Benchmark]: Boogie Preprocessor took 29.42ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.1MB in the end (delta: 561.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:17,426 INFO L158 Benchmark]: RCFGBuilder took 441.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 91.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:03:17,427 INFO L158 Benchmark]: CodeCheck took 3650.71ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 54.2MB in the end (delta: 37.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-13 21:03:17,427 INFO L158 Benchmark]: Witness Printer took 100.10ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 49.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:17,429 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, 14 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 148 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.72ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.53ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.42ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.1MB in the end (delta: 561.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 91.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3650.71ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 54.2MB in the end (delta: 37.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 100.10ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 49.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem6 RESULT: Ultimate proved your program to be correct! [2024-11-13 21:03:17,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce0189b-b4a6-46de-887b-bfb4301029e3/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