./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm --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 739cfa6985f5cbe3c485b066571ccf0bd5575c5b24975a1e4ae9d10696731379 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:52,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:52,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:06:52,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:06:52,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:06:52,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:52,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:52,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:52,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:52,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:52,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:52,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:52,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:06:52,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:06:52,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:52,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:52,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:52,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:52,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:52,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:52,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:52,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:52,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:52,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:52,397 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:06:52,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:06:52,397 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_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm 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 -> 739cfa6985f5cbe3c485b066571ccf0bd5575c5b24975a1e4ae9d10696731379 [2024-11-13 21:06:52,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:52,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:52,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:52,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:52,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:52,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i Unable to find full path for "g++" [2024-11-13 21:06:54,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:55,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:55,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i [2024-11-13 21:06:55,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/data/07d43ee9b/4512d12a8d4f429d9a28967d24fa576a/FLAG0d36d9bab [2024-11-13 21:06:55,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/data/07d43ee9b/4512d12a8d4f429d9a28967d24fa576a [2024-11-13 21:06:55,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:55,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:55,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:55,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:55,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:55,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401f9064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55, skipping insertion in model container [2024-11-13 21:06:55,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:55,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:55,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:55,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:55,651 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:55,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55 WrapperNode [2024-11-13 21:06:55,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:55,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:55,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:55,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:55,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,686 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-13 21:06:55,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:55,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:55,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:55,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:55,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:55,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:55,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:55,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:55,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:55,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:55,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:55,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:55,933 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:55,935 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:56,103 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 21:06:56,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:56,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:06:56,171 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:06:56,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56 BoogieIcfgContainer [2024-11-13 21:06:56,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:06:56,172 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:06:56,172 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:06:56,182 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:06:56,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56" (1/1) ... [2024-11-13 21:06:56,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:06:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 21:06:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 21:06:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:06:56,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:56,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:06:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:06:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:06:56,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 21:06:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:06:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:06:56,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:56,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 21:06:57,130 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 21:06:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:06:57,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:57,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:06:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:06:57,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:06:57,511 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:06:57,519 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:06:57,553 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 574) no Hoare annotation was computed. [2024-11-13 21:06:57,553 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 559) the Hoare annotation is: true [2024-11-13 21:06:57,554 INFO L77 FloydHoareUtils]: At program point L552-3(lines 552 559) the Hoare annotation is: true [2024-11-13 21:06:57,554 INFO L77 FloydHoareUtils]: At program point L552-4(lines 552 559) the Hoare annotation is: true [2024-11-13 21:06:57,554 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:06:57,554 INFO L77 FloydHoareUtils]: At program point L573(line 573) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:06:57,554 INFO L77 FloydHoareUtils]: At program point L573-1(line 573) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:06:57,555 INFO L77 FloydHoareUtils]: At program point L557(lines 557 558) the Hoare annotation is: true [2024-11-13 21:06:57,555 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:06:57,555 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:06:57,555 INFO L77 FloydHoareUtils]: At program point L574(line 574) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:06:57,555 INFO L77 FloydHoareUtils]: At program point L574-1(line 574) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 21:06:57,555 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:06:57,557 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 574) no Hoare annotation was computed. [2024-11-13 21:06:57,558 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 556) the Hoare annotation is: true [2024-11-13 21:06:57,558 INFO L77 FloydHoareUtils]: At program point L555-5(lines 555 556) the Hoare annotation is: true [2024-11-13 21:06:57,558 INFO L77 FloydHoareUtils]: At program point L555-6(lines 555 556) the Hoare annotation is: true [2024-11-13 21:06:57,558 INFO L77 FloydHoareUtils]: At program point cstrspn_returnLabel#1(lines 547 561) the Hoare annotation is: true [2024-11-13 21:06:57,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:06:57 ImpRootNode [2024-11-13 21:06:57,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:06:57,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:06:57,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:06:57,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:06:57,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56" (3/4) ... [2024-11-13 21:06:57,572 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:06:57,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 21:06:57,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:06:57,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:06:57,582 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:06:57,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:06:57,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:06:57,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:06:57,673 INFO L158 Benchmark]: Toolchain (without parser) took 2427.94ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 51.1MB in the end (delta: 42.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-13 21:06:57,673 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:57,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.71ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:06:57,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:57,674 INFO L158 Benchmark]: Boogie Preprocessor took 33.87ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:57,674 INFO L158 Benchmark]: RCFGBuilder took 445.78ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 58.3MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:57,674 INFO L158 Benchmark]: CodeCheck took 1394.24ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 56.3MB in the end (delta: 2.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 21:06:57,675 INFO L158 Benchmark]: Witness Printer took 103.18ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:57,677 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 574]: 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 0.26ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.71ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.87ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.78ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 58.3MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1394.24ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 56.3MB in the end (delta: 2.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 103.18ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:06:57,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d788d-abd1-476e-b815-468a065ce479/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE