./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.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_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/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_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/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_cf977660-9b78-4343-998b-9e632c7ce93f/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 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:14,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:14,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:04:14,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:04:14,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:04:14,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:14,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:14,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:14,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:14,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:14,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:14,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:14,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:14,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:14,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:14,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:14,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:14,267 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:04:14,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:04:14,267 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_cf977660-9b78-4343-998b-9e632c7ce93f/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 -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2024-12-06 03:04:14,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:14,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:14,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:14,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:14,475 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:14,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2024-12-06 03:04:17,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/data/b8580e4b9/a922b1a30bc7468ead8682a74cb2f428/FLAG5756151bc [2024-12-06 03:04:17,327 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:17,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2024-12-06 03:04:17,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/data/b8580e4b9/a922b1a30bc7468ead8682a74cb2f428/FLAG5756151bc [2024-12-06 03:04:17,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/data/b8580e4b9/a922b1a30bc7468ead8682a74cb2f428 [2024-12-06 03:04:17,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:04:17,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:04:17,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:17,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:04:17,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:04:17,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec612e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17, skipping insertion in model container [2024-12-06 03:04:17,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:04:17,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:17,611 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:04:17,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:04:17,674 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:04:17,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17 WrapperNode [2024-12-06 03:04:17,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:04:17,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:17,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:04:17,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:04:17,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,709 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2024-12-06 03:04:17,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:04:17,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:04:17,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:04:17,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:04:17,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:04:17,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:04:17,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:04:17,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:04:17,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:04:17" (1/1) ... [2024-12-06 03:04:17,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:17,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:04:17,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:04:17,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:04:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:04:17,866 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:04:17,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:04:18,045 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:04:18,045 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:04:18,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:04:18,100 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 03:04:18,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:18 BoogieIcfgContainer [2024-12-06 03:04:18,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:04:18,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:04:18,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:04:18,108 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:04:18,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:18" (1/1) ... [2024-12-06 03:04:18,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:04:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 03:04:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 03:04:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:04:18,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,415 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 03:04:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 03:04:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 03:04:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:04:18,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,563 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 03:04:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 03:04:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 03:04:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:04:18,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:04:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 03:04:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 03:04:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:04:18,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:04:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-06 03:04:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-06 03:04:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:04:18,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:04:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-06 03:04:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-06 03:04:19,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:04:19,174 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 03:04:19,182 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 03:04:19,243 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-12-06 03:04:19,243 INFO L77 FloydHoareUtils]: At program point L557-3(line 557) the Hoare annotation is: (or (= |ULTIMATE.start_create_data_#t~post9#1| 0) (and (<= |ULTIMATE.start_create_data_#t~post9#1| 19) (<= 1 |ULTIMATE.start_create_data_#t~post9#1|))) [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L557-4(line 557) the Hoare annotation is: (or (= |ULTIMATE.start_create_data_#t~post9#1| 0) (and (<= |ULTIMATE.start_create_data_#t~post9#1| 19) (<= 1 |ULTIMATE.start_create_data_#t~post9#1|))) [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L557-5(lines 557 559) the Hoare annotation is: (not (and (< |ULTIMATE.start_create_data_~counter~0#1| 1) (not (= |ULTIMATE.start_create_data_~counter~0#1| 0)))) [2024-12-06 03:04:19,244 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point create_data_returnLabel#1(lines 549 565) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L587(lines 587 592) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L554(lines 554 562) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L554-2(lines 554 562) the Hoare annotation is: true [2024-12-06 03:04:19,244 INFO L77 FloydHoareUtils]: At program point L587-3(lines 587 592) the Hoare annotation is: true [2024-12-06 03:04:19,245 INFO L77 FloydHoareUtils]: At program point L587-4(lines 587 592) the Hoare annotation is: true [2024-12-06 03:04:19,245 INFO L77 FloydHoareUtils]: At program point L550(lines 550 552) the Hoare annotation is: true [2024-12-06 03:04:19,245 INFO L77 FloydHoareUtils]: At program point L584-1(lines 584 586) the Hoare annotation is: true [2024-12-06 03:04:19,245 INFO L77 FloydHoareUtils]: At program point L584-2(lines 584 586) the Hoare annotation is: true [2024-12-06 03:04:19,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:04:19 ImpRootNode [2024-12-06 03:04:19,256 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:04:19,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:04:19,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:04:19,257 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:04:19,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:04:18" (3/4) ... [2024-12-06 03:04:19,260 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:04:19,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-06 03:04:19,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:04:19,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:04:19,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:04:19,343 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:04:19,343 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:04:19,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:04:19,344 INFO L158 Benchmark]: Toolchain (without parser) took 1988.33ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 57.4MB in the end (delta: 34.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-12-06 03:04:19,344 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:19,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.90ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:04:19,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:19,345 INFO L158 Benchmark]: Boogie Preprocessor took 22.87ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:19,345 INFO L158 Benchmark]: RCFGBuilder took 367.21ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 52.7MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:04:19,346 INFO L158 Benchmark]: CodeCheck took 1155.52ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 62.2MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:19,346 INFO L158 Benchmark]: Witness Printer took 86.38ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:04:19,347 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 30 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 5/12 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: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: !((counter < 1) && (counter != 0)) * 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 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.90ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.87ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.21ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 52.7MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1155.52ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 62.2MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.38ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:04:19,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf977660-9b78-4343-998b-9e632c7ce93f/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