./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/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_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/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 32bit --witnessprinter.graph.data.programhash 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:21:21,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:21:21,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:21:21,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:21:21,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:21:21,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:21:21,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:21:21,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:21:21,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:21:21,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:21:21,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:21:21,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:21:21,737 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:21:21,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:21:21,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:21:21,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:21,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:21:21,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:21:21,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:21:21,740 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:21:21,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:21:21,740 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_3e429837-582b-47af-92d6-0b5e8b05007b/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 [2024-12-06 03:21:21,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:21:21,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:21:21,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:21:21,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:21:21,975 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:21:21,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2024-12-06 03:21:24,710 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/data/3af53c1aa/6ebe19b4c5034b558baa55193a7882d4/FLAG48d4e418f [2024-12-06 03:21:24,932 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:21:24,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2024-12-06 03:21:24,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/data/3af53c1aa/6ebe19b4c5034b558baa55193a7882d4/FLAG48d4e418f [2024-12-06 03:21:25,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/data/3af53c1aa/6ebe19b4c5034b558baa55193a7882d4 [2024-12-06 03:21:25,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:21:25,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:21:25,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:25,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:21:25,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:21:25,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b104140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25, skipping insertion in model container [2024-12-06 03:21:25,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:21:25,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:25,449 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:21:25,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:25,481 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:21:25,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25 WrapperNode [2024-12-06 03:21:25,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:25,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:25,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:21:25,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:21:25,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,511 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-12-06 03:21:25,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:25,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:21:25,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:21:25,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:21:25,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:21:25,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:21:25,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:21:25,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:21:25,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:25,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:21:25,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:21:25,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:21:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:21:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:21:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:21:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:21:25,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:21:25,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:21:25,771 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-06 03:21:25,771 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:21:25,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:21:25,807 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:21:25,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:25 BoogieIcfgContainer [2024-12-06 03:21:25,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:21:25,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:21:25,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:21:25,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:21:25,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:25" (1/1) ... [2024-12-06 03:21:25,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:21:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 03:21:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 03:21:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:21:25,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:25,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:26,013 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 03:21:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 03:21:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 03:21:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:21:26,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:26,127 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 03:21:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 03:21:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 03:21:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:21:26,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:26,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:26,246 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 03:21:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 03:21:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 03:21:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:21:26,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:26,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:26,581 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 03:21:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 03:21:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 03:21:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:21:26,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:26,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:21:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-12-06 03:21:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-12-06 03:21:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:21:27,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:21:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 03:21:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 03:21:27,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:21:27,339 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 03:21:27,348 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 03:21:27,445 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-12-06 03:21:27,445 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:21:27,445 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 03:21:27,445 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 26) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point L23-3(lines 23 26) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (< 99 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2024-12-06 03:21:27,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-12-06 03:21:27,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-12-06 03:21:27,446 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 03:21:27,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:21:27 ImpRootNode [2024-12-06 03:21:27,457 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:21:27,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:21:27,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:21:27,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:21:27,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:25" (3/4) ... [2024-12-06 03:21:27,460 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:21:27,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 03:21:27,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 03:21:27,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:21:27,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:21:27,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:21:27,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:21:27,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:21:27,551 INFO L158 Benchmark]: Toolchain (without parser) took 2268.51ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 89.4MB in the end (delta: 3.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-12-06 03:21:27,551 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:27,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.44ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:21:27,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:27,552 INFO L158 Benchmark]: Boogie Preprocessor took 16.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 605.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:27,552 INFO L158 Benchmark]: RCFGBuilder took 277.50ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.9MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:21:27,553 INFO L158 Benchmark]: CodeCheck took 1648.86ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 36.6MB in the end (delta: 32.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 03:21:27,553 INFO L158 Benchmark]: Witness Printer took 91.97ms. Allocated memory is still 117.4MB. Free memory was 36.6MB in the beginning and 89.4MB in the end (delta: -52.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-12-06 03:21:27,555 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 423 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 0 mSDtfsCounter, 423 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 363 GetRequests, 301 SyntacticMatches, 14 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((0 <= (x + 2147483648)) && (0 <= (y + 2147483648))) || (99 < x)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.44ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 605.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.50ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.9MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1648.86ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 36.6MB in the end (delta: 32.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 91.97ms. Allocated memory is still 117.4MB. Free memory was 36.6MB in the beginning and 89.4MB in the end (delta: -52.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:21:27,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e429837-582b-47af-92d6-0b5e8b05007b/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