./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark19_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_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/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_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/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_f7a6f593-31f5-4dfb-b16c-608aa3218a69/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 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:04:37,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:04:37,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:04:37,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:04:37,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:04:37,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:04:37,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:04:37,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:04:37,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:04:37,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:04:37,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:04:37,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:04:37,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:04:37,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:04:37,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:04:37,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:04:37,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:04:37,263 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:04:37,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:04:37,263 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_f7a6f593-31f5-4dfb-b16c-608aa3218a69/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 -> 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5 [2024-12-06 02:04:37,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:04:37,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:04:37,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:04:37,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:04:37,502 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:04:37,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-12-06 02:04:40,167 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/data/6099800bc/ef70f7437bb54ca9a3a45ba3bcd094a3/FLAGa69f5b58a [2024-12-06 02:04:40,345 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:04:40,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-12-06 02:04:40,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/data/6099800bc/ef70f7437bb54ca9a3a45ba3bcd094a3/FLAGa69f5b58a [2024-12-06 02:04:40,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/data/6099800bc/ef70f7437bb54ca9a3a45ba3bcd094a3 [2024-12-06 02:04:40,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:04:40,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:04:40,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:04:40,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:04:40,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:04:40,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391a7aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40, skipping insertion in model container [2024-12-06 02:04:40,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:04:40,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:04:40,851 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:04:40,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:04:40,871 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:04:40,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40 WrapperNode [2024-12-06 02:04:40,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:04:40,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:04:40,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:04:40,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:04:40,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,890 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-12-06 02:04:40,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:04:40,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:04:40,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:04:40,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:04:40,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:04:40,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:04:40,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:04:40,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:04:40,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:04:40" (1/1) ... [2024-12-06 02:04:40,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:04:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:04:40,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:04:40,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:04:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:04:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:04:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:04:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:04:41,008 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:04:41,010 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:04:41,107 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-06 02:04:41,107 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:04:41,142 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:04:41,142 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:04:41,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:04:41 BoogieIcfgContainer [2024-12-06 02:04:41,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:04:41,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:04:41,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:04:41,149 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:04:41,150 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:04:41" (1/1) ... [2024-12-06 02:04:41,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:04:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 02:04:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 02:04:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:04:41,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:41,320 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 02:04:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 02:04:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 02:04:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:04:41,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:41,428 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 02:04:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 02:04:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 02:04:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:04:41,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:41,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:41,602 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 02:04:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 02:04:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 02:04:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:04:41,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:41,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:41,945 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 02:04:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 02:04:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 02:04:42,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:04:42,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:42,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 02:04:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 02:04:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:04:42,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:42,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-12-06 02:04:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-12-06 02:04:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:04:43,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-12-06 02:04:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-12-06 02:04:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:04:44,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:04:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-06 02:04:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-06 02:04:45,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:04:45,213 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 02:04:45,221 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 02:04:45,321 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 02:04:45,321 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:04:45,321 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post4#1| |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_#t~post4#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post4#1| |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~k~0#1|)) [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= |ULTIMATE.start_main_~j~0#1| 2147483647)) [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point L25-2(line 25) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_#t~post5#1|) (<= |ULTIMATE.start_main_#t~post5#1| 2147483647) (<= (+ |ULTIMATE.start_main_~j~0#1| 1) |ULTIMATE.start_main_#t~post5#1|)) [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point L25-3(line 25) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_#t~post5#1|) (<= |ULTIMATE.start_main_#t~post5#1| 2147483647) (<= (+ |ULTIMATE.start_main_~j~0#1| 1) |ULTIMATE.start_main_#t~post5#1|)) [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:04:45,322 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2024-12-06 02:04:45,322 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 02:04:45,323 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-12-06 02:04:45,323 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 26) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|))) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 (< |ULTIMATE.start_main_~k~0#1| 1)) (and (<= |ULTIMATE.start_main_~k~0#1| 2147483647) .cse0 (<= 1 |ULTIMATE.start_main_~k~0#1|)))) [2024-12-06 02:04:45,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:04:45 ImpRootNode [2024-12-06 02:04:45,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:04:45,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:04:45,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:04:45,334 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:04:45,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:04:41" (3/4) ... [2024-12-06 02:04:45,336 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:04:45,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 02:04:45,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 02:04:45,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:04:45,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:04:45,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:04:45,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:04:45,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:04:45,409 INFO L158 Benchmark]: Toolchain (without parser) took 4687.93ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 92.5MB in the beginning and 119.4MB in the end (delta: -26.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-12-06 02:04:45,409 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:04:45,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.45ms. 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 02:04:45,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.09ms. 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 02:04:45,410 INFO L158 Benchmark]: Boogie Preprocessor took 12.63ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.0MB in the end (delta: 817.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:04:45,410 INFO L158 Benchmark]: RCFGBuilder took 238.08ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:04:45,411 INFO L158 Benchmark]: CodeCheck took 4189.98ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 68.4MB in the beginning and 122.8MB in the end (delta: -54.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-06 02:04:45,411 INFO L158 Benchmark]: Witness Printer took 74.84ms. Allocated memory is still 184.5MB. Free memory was 122.8MB in the beginning and 119.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:04:45,413 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: 4.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 740 IncrementalHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 24 mSDtfsCounter, 740 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 514 SyntacticMatches, 30 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6598 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 15/31 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: 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 - 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: 24]: Loop Invariant Derived loop invariant: ((((0 <= k) && (j <= k)) && (k < 1)) || (((k <= 2147483647) && (j <= k)) && (1 <= k))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.45ms. 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 19.09ms. 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 12.63ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.0MB in the end (delta: 817.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.08ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4189.98ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 68.4MB in the beginning and 122.8MB in the end (delta: -54.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 74.84ms. Allocated memory is still 184.5MB. Free memory was 122.8MB in the beginning and 119.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:04:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a6f593-31f5-4dfb-b16c-608aa3218a69/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