./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.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_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/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_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/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_96209ee6-290e-4fcb-9d7a-c250be898468/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 cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:44:08,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:44:08,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:44:08,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:44:08,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:44:08,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:44:08,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:44:08,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:44:08,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:44:08,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:44:08,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:44:08,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:44:08,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:44:08,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:44:08,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:44:08,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:44:08,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:44:08,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:44:08,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:44:08,786 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:44:08,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:44:08,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:08,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:44:08,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:44:08,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:44:08,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:44:08,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:44:08,787 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_96209ee6-290e-4fcb-9d7a-c250be898468/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 -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2024-11-13 16:44:09,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:44:09,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:44:09,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:44:09,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:44:09,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:44:09,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i Unable to find full path for "g++" [2024-11-13 16:44:11,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:44:12,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:44:12,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2024-11-13 16:44:12,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/data/c61a5d5e5/17096dcf6b8546518618c042fed24d94/FLAG8bb64ae8b [2024-11-13 16:44:12,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/data/c61a5d5e5/17096dcf6b8546518618c042fed24d94 [2024-11-13 16:44:12,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:44:12,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:44:12,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:12,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:44:12,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:44:12,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cff011a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12, skipping insertion in model container [2024-11-13 16:44:12,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:44:12,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:12,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:44:12,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:12,826 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:44:12,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12 WrapperNode [2024-11-13 16:44:12,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:12,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:12,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:44:12,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:44:12,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,878 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-13 16:44:12,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:12,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:44:12,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:44:12,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:44:12,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:44:12,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:44:12,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:44:12,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:44:12,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:12" (1/1) ... [2024-11-13 16:44:12,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:44:12,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:44:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:44:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:44:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:44:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:44:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:44:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:44:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:44:13,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:44:13,121 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:44:13,328 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 16:44:13,328 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:44:13,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:44:13,373 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:44:13,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:13 BoogieIcfgContainer [2024-11-13 16:44:13,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:44:13,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:44:13,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:44:13,388 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:44:13,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:13" (1/1) ... [2024-11-13 16:44:13,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:44:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:44:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:44:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:44:13,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:13,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:13,785 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 16:44:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 16:44:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 16:44:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:44:13,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:13,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:14,149 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 16:44:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 16:44:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 16:44:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:44:14,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:14,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 16:44:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 16:44:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:44:14,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:14,833 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 16:44:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-13 16:44:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-13 16:44:15,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:44:15,210 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 16:44:15,225 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 16:44:15,276 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 385) no Hoare annotation was computed. [2024-11-13 16:44:15,276 INFO L77 FloydHoareUtils]: At program point L386-1(line 386) the Hoare annotation is: (<= |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 16:44:15,277 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:44:15,277 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2024-11-13 16:44:15,278 INFO L77 FloydHoareUtils]: At program point L378-1(lines 372 389) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 16:44:15,278 INFO L77 FloydHoareUtils]: At program point L368-1(lines 368 369) the Hoare annotation is: true [2024-11-13 16:44:15,278 INFO L77 FloydHoareUtils]: At program point L368-3(lines 368 369) the Hoare annotation is: true [2024-11-13 16:44:15,278 INFO L77 FloydHoareUtils]: At program point L368-4(lines 368 369) the Hoare annotation is: true [2024-11-13 16:44:15,279 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:44:15,279 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 372 389) the Hoare annotation is: true [2024-11-13 16:44:15,283 INFO L77 FloydHoareUtils]: At program point L385(line 385) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~length2~0#1| |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 16:44:15,283 INFO L77 FloydHoareUtils]: At program point L385-1(line 385) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~length2~0#1| |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 16:44:15,284 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 385) no Hoare annotation was computed. [2024-11-13 16:44:15,284 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2024-11-13 16:44:15,284 INFO L77 FloydHoareUtils]: At program point L386(line 386) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~length2~0#1|) (<= |ULTIMATE.start_main_~length2~0#1| 2147483648)) [2024-11-13 16:44:15,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:44:15 ImpRootNode [2024-11-13 16:44:15,296 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:44:15,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:44:15,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:44:15,300 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:44:15,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:13" (3/4) ... [2024-11-13 16:44:15,304 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:44:15,312 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 16:44:15,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:44:15,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 16:44:15,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:44:15,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:44:15,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:44:15,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:44:15,430 INFO L158 Benchmark]: Toolchain (without parser) took 3226.27ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 47.9MB in the end (delta: 44.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-13 16:44:15,431 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:15,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.81ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 74.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:44:15,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.46ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:15,435 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:15,435 INFO L158 Benchmark]: RCFGBuilder took 455.83ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 57.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:44:15,436 INFO L158 Benchmark]: CodeCheck took 1921.53ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 52.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-13 16:44:15,436 INFO L158 Benchmark]: Witness Printer took 131.98ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 47.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:44:15,439 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 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: 385]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 385]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: 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 0.54ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.81ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 74.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.46ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.93ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.83ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 57.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1921.53ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 52.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 131.98ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 47.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:44:15,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96209ee6-290e-4fcb-9d7a-c250be898468/bin/ukojak-verify-EEHR8qb7sm/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