./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/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_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:36,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:36,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:15:36,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:15:36,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:15:36,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:36,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:36,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:36,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:36,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:36,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:15:36,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:36,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:36,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:36,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:36,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:36,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:36,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:15:36,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:15:36,250 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_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 [2024-12-06 00:15:36,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:36,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:36,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:36,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:36,505 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:36,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/Ex06.c [2024-12-06 00:15:39,112 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/data/66e3d5e60/ce58a760363c4eaa8474cf05809676f0/FLAG9a48b729f [2024-12-06 00:15:39,317 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:39,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/sv-benchmarks/c/termination-restricted-15/Ex06.c [2024-12-06 00:15:39,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/data/66e3d5e60/ce58a760363c4eaa8474cf05809676f0/FLAG9a48b729f [2024-12-06 00:15:39,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/data/66e3d5e60/ce58a760363c4eaa8474cf05809676f0 [2024-12-06 00:15:39,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:39,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:39,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:39,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:39,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:39,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715f7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39, skipping insertion in model container [2024-12-06 00:15:39,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:39,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:39,822 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:39,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:39,839 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:39,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39 WrapperNode [2024-12-06 00:15:39,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:39,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:39,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:39,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:39,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,857 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-06 00:15:39,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:39,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:39,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:39,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:39,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:39,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:39,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:39,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:39,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:39" (1/1) ... [2024-12-06 00:15:39,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:39,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:39,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:39,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:39,970 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:39,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:40,036 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:40,036 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:40,055 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:40,055 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:15:40,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:40 BoogieIcfgContainer [2024-12-06 00:15:40,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:40,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:40,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:40,064 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:40,064 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:40" (1/1) ... [2024-12-06 00:15:40,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 00:15:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 00:15:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:15:40,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,209 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 00:15:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 00:15:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 00:15:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:15:40,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,282 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 00:15:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:15:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:15:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:15:40,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,378 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 00:15:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:15:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:15:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:15:40,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,518 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 00:15:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-12-06 00:15:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-12-06 00:15:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:15:40,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,714 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 00:15:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 00:15:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 00:15:40,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:15:40,829 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 00:15:40,837 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 00:15:40,875 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 00:15:40,875 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:15:40,876 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 00:15:40,876 INFO L77 FloydHoareUtils]: At program point L13-1(lines 9 16) the Hoare annotation is: true [2024-12-06 00:15:40,876 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-12-06 00:15:40,876 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-12-06 00:15:40,876 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:15:40,876 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 16) the Hoare annotation is: (and (<= 0 (+ 5 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 5)) [2024-12-06 00:15:40,876 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 00:15:40,876 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 00:15:40,877 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 5)) [2024-12-06 00:15:40,877 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 5) [2024-12-06 00:15:40,877 INFO L77 FloydHoareUtils]: At program point L10-1(lines 9 16) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-12-06 00:15:40,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:15:40 ImpRootNode [2024-12-06 00:15:40,885 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:15:40,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:15:40,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:15:40,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:15:40,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:40" (3/4) ... [2024-12-06 00:15:40,888 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:15:40,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 00:15:40,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 00:15:40,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 00:15:40,956 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:15:40,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:15:40,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:15:40,958 INFO L158 Benchmark]: Toolchain (without parser) took 1252.14ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 112.9MB in the end (delta: 4.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-12-06 00:15:40,958 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:40,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.77ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:40,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.22ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:40,959 INFO L158 Benchmark]: Boogie Preprocessor took 11.17ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.6MB in the end (delta: 617.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:40,959 INFO L158 Benchmark]: RCFGBuilder took 186.20ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:40,959 INFO L158 Benchmark]: CodeCheck took 828.19ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 53.9MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:15:40,960 INFO L158 Benchmark]: Witness Printer took 71.31ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 112.9MB in the end (delta: -59.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:40,961 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: 0.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 15 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.77ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.22ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.17ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.6MB in the end (delta: 617.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 186.20ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 828.19ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 53.9MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 71.31ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 112.9MB in the end (delta: -59.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:15:40,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108c8444-504f-48ab-b49b-14bb03ad7d57/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