./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/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_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/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 64bit --witnessprinter.graph.data.programhash 70d55a4dcb8d0c2db3cbbfd79b532e2c6b14009dde29008a33a122ff3c343af6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:55:06,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:55:06,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:55:06,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:55:06,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:55:06,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:55:06,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:55:06,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:55:06,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:55:06,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:55:06,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:55:06,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:55:06,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:55:06,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:55:06,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:55:06,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:55:06,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:55:06,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:55:06,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:55:06,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:55:06,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:55:06,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:06,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:55:06,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:55:06,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:55:06,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:55:06,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:55:06,353 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_20579efa-aa47-430c-9cb5-e874d330e8a4/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70d55a4dcb8d0c2db3cbbfd79b532e2c6b14009dde29008a33a122ff3c343af6 [2024-11-13 16:55:06,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:55:06,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:55:06,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:55:06,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:55:06,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:55:06,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/PastaB2.c Unable to find full path for "g++" [2024-11-13 16:55:08,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:55:09,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:55:09,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/sv-benchmarks/c/termination-restricted-15/PastaB2.c [2024-11-13 16:55:09,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/data/f5607318c/6d5e161bfd594416b1557e783473e362/FLAG38ded7346 [2024-11-13 16:55:09,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/data/f5607318c/6d5e161bfd594416b1557e783473e362 [2024-11-13 16:55:09,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:55:09,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:55:09,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:09,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:55:09,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:55:09,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1baa9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09, skipping insertion in model container [2024-11-13 16:55:09,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:55:09,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:09,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:55:09,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:09,307 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:55:09,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09 WrapperNode [2024-11-13 16:55:09,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:09,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:09,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:55:09,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:55:09,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,339 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-13 16:55:09,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:09,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:55:09,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:55:09,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:55:09,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:55:09,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:55:09,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:55:09,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:55:09,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:55:09,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:55:09,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:55:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:55:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:55:09,547 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:55:09,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:55:09,672 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:55:09,672 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:55:09,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:55:09,708 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:55:09,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:09 BoogieIcfgContainer [2024-11-13 16:55:09,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:55:09,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:55:09,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:55:09,722 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:55:09,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:09" (1/1) ... [2024-11-13 16:55:09,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:55:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 16:55:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 16:55:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:55:09,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:10,002 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 16:55:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 16:55:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 16:55:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:55:10,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:10,173 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 16:55:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-13 16:55:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-13 16:55:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:55:10,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:10,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:10,438 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 16:55:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 16:55:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 16:55:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:55:10,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:10,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:10,759 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 16:55:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 16:55:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 16:55:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:55:11,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:11,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:55:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:55:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:55:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:55:11,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:11,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:55:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 16:55:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 16:55:11,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:55:11,833 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 16:55:11,843 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 16:55:11,892 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-13 16:55:11,892 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:55:11,892 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 16:55:11,893 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 16:55:11,893 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 16:55:11,893 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:55:11,893 INFO L77 FloydHoareUtils]: At program point L11-2(lines 11 14) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 16:55:11,893 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-13 16:55:11,894 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 16:55:11,894 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 16:55:11,894 INFO L77 FloydHoareUtils]: At program point L12-1(line 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 16:55:11,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:55:11 ImpRootNode [2024-11-13 16:55:11,907 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:55:11,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:55:11,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:55:11,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:55:11,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:09" (3/4) ... [2024-11-13 16:55:11,913 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:55:11,922 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 16:55:11,922 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:55:11,922 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 16:55:12,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:55:12,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:55:12,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:55:12,012 INFO L158 Benchmark]: Toolchain (without parser) took 2961.25ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 54.3MB in the end (delta: 38.9MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-13 16:55:12,012 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:12,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.64ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:55:12,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 853.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:12,013 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 562.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:12,014 INFO L158 Benchmark]: RCFGBuilder took 349.32ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:55:12,014 INFO L158 Benchmark]: CodeCheck took 2197.32ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 58.5MB in the end (delta: 13.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-13 16:55:12,015 INFO L158 Benchmark]: Witness Printer took 102.39ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 54.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:12,017 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 0 mSDtfsCounter, 305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 229 SyntacticMatches, 14 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.64ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 853.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 562.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.32ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2197.32ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 58.5MB in the end (delta: 13.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 102.39ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 54.3MB 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 16:55:12,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20579efa-aa47-430c-9cb5-e874d330e8a4/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