./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_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/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_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 04:29:09,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:29:09,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:29:09,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:29:09,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:29:09,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:29:09,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:29:09,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:29:09,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:29:09,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:29:09,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:29:09,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:29:09,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:29:09,759 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:29:09,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:29:09,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:29:09,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:29:09,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:29:09,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:29:09,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:09,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:29:09,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:29:09,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:29:09,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:29:09,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:29:09,761 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_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:29:10,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:29:10,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:29:10,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:29:10,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:29:10,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:29:10,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2024-11-25 04:29:13,125 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/data/1df74d4b7/883641249be24b24b14e4e2e344740ce/FLAGecd3afad5 [2024-11-25 04:29:13,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:29:13,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2024-11-25 04:29:13,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/data/1df74d4b7/883641249be24b24b14e4e2e344740ce/FLAGecd3afad5 [2024-11-25 04:29:13,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/data/1df74d4b7/883641249be24b24b14e4e2e344740ce [2024-11-25 04:29:13,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:29:13,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:29:13,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:13,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:29:13,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:29:13,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:13" (1/1) ... [2024-11-25 04:29:13,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f022c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:13, skipping insertion in model container [2024-11-25 04:29:13,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:29:13" (1/1) ... [2024-11-25 04:29:13,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:29:14,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:14,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:29:14,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:29:14,293 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:29:14,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14 WrapperNode [2024-11-25 04:29:14,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:29:14,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:14,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:29:14,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:29:14,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,357 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2024-11-25 04:29:14,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:29:14,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:29:14,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:29:14,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:29:14,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:29:14,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:29:14,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:29:14,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:29:14,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:29:14" (1/1) ... [2024-11-25 04:29:14,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:29:14,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:29:14,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:29:14,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:29:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 04:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 04:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 04:29:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:29:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:29:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:29:14,635 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:29:14,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:29:14,960 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:29:14,960 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:29:15,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:29:15,076 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 04:29:15,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:15 BoogieIcfgContainer [2024-11-25 04:29:15,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:29:15,078 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:29:15,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:29:15,090 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:29:15,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:15" (1/1) ... [2024-11-25 04:29:15,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:29:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-25 04:29:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-25 04:29:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:29:15,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 04:29:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 04:29:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:29:15,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-25 04:29:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-25 04:29:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:29:15,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:15,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 04:29:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 04:29:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:29:16,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:16,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:29:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-25 04:29:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 04:29:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:29:16,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:16,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 04:29:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 04:29:16,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:29:16,933 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:29:16,947 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 04:29:17,051 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-25 04:29:17,051 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|))) [2024-11-25 04:29:17,051 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|))) [2024-11-25 04:29:17,051 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)))) [2024-11-25 04:29:17,052 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point create_data_returnLabel#1(lines 549 565) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point L587(lines 587 592) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point L554(lines 554 562) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point L554-2(lines 554 562) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point L587-3(lines 587 592) the Hoare annotation is: true [2024-11-25 04:29:17,052 INFO L77 FloydHoareUtils]: At program point L587-4(lines 587 592) the Hoare annotation is: true [2024-11-25 04:29:17,053 INFO L77 FloydHoareUtils]: At program point L550(lines 550 552) the Hoare annotation is: true [2024-11-25 04:29:17,053 INFO L77 FloydHoareUtils]: At program point L584-1(lines 584 586) the Hoare annotation is: true [2024-11-25 04:29:17,053 INFO L77 FloydHoareUtils]: At program point L584-2(lines 584 586) the Hoare annotation is: true [2024-11-25 04:29:17,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:29:17 ImpRootNode [2024-11-25 04:29:17,070 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:29:17,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:29:17,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:29:17,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:29:17,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:29:15" (3/4) ... [2024-11-25 04:29:17,075 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:29:17,086 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-25 04:29:17,086 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 04:29:17,087 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:29:17,087 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:29:17,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:29:17,193 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:29:17,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:29:17,197 INFO L158 Benchmark]: Toolchain (without parser) took 3482.85ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 57.4MB in the end (delta: 33.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-25 04:29:17,198 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:17,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.54ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 73.6MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:29:17,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.31ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:17,199 INFO L158 Benchmark]: Boogie Preprocessor took 37.69ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:29:17,199 INFO L158 Benchmark]: RCFGBuilder took 680.17ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 51.8MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:29:17,199 INFO L158 Benchmark]: CodeCheck took 1992.23ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 63.0MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:17,200 INFO L158 Benchmark]: Witness Printer took 122.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 57.4MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:29:17,203 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: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s 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, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s 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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.54ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 73.6MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.31ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.69ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 680.17ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 51.8MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1992.23ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 63.0MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 57.4MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:29:17,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7f17e8-2db6-46da-a34e-10cba68b84e8/bin/ukojak-verify-ENZ3QT5qd3/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