./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.05-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_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/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_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/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_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/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 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:27,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:27,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:15:27,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:15:27,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:15:27,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:27,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:27,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:27,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:27,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:27,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:27,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:27,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:15:27,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:15:27,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:27,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:27,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:27,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:27,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:27,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:27,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:27,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:27,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:27,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:27,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:15:27,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:15:27,761 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_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/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 -> 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 [2024-11-13 21:15:28,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:28,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:28,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:28,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:28,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:28,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i Unable to find full path for "g++" [2024-11-13 21:15:29,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:30,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:30,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2024-11-13 21:15:30,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/data/968ec9017/1d216cdf2fb542a69a6e0295a1f3dd47/FLAGe8b19a8b1 [2024-11-13 21:15:30,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/data/968ec9017/1d216cdf2fb542a69a6e0295a1f3dd47 [2024-11-13 21:15:30,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:30,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:30,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:30,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:30,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:30,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431c6fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30, skipping insertion in model container [2024-11-13 21:15:30,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:30,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:30,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:30,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:30,899 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:30,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30 WrapperNode [2024-11-13 21:15:30,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:30,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:30,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:30,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:30,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,943 INFO L138 Inliner]: procedures = 111, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-11-13 21:15:30,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:30,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:30,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:30,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:30,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:30,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:30,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:30,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:30,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:30" (1/1) ... [2024-11-13 21:15:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:31,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:15:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:15:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:15:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:15:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:31,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:31,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:31,310 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:31,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:31,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:31,344 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:15:31,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:31 BoogieIcfgContainer [2024-11-13 21:15:31,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:31,345 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:31,345 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:31,357 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:31,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:31" (1/1) ... [2024-11-13 21:15:31,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:15:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:15:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:15:31,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:32,002 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 21:15:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:15:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:15:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:15:32,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:32,234 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 21:15:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:15:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:15:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:15:32,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:32,447 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 21:15:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:15:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:15:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:15:32,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:32,645 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 21:15:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 21:15:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 21:15:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:15:33,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:33,303 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 21:15:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-13 21:15:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-13 21:15:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:15:33,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 21:15:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 21:15:34,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:15:34,090 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:15:34,104 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:15:34,225 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-13 21:15:34,226 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:15:34,226 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-13 21:15:34,226 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646)) [2024-11-13 21:15:34,226 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646)) [2024-11-13 21:15:34,227 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:15:34,227 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2024-11-13 21:15:34,227 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-13 21:15:34,227 INFO L77 FloydHoareUtils]: At program point L555-1(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (or (< .cse0 2147483647) (not |ULTIMATE.start_test_fun_#t~short8#1|)) (<= 0 (+ .cse0 2147483648)))) [2024-11-13 21:15:34,227 INFO L77 FloydHoareUtils]: At program point L555-2(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem6#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#t~mem6#1| .cse0))) [2024-11-13 21:15:34,228 INFO L77 FloydHoareUtils]: At program point L555-3(line 555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= |ULTIMATE.start_test_fun_#t~mem6#1| 2147483646) (<= 0 (+ 2147483649 .cse0)))) [2024-11-13 21:15:34,228 INFO L77 FloydHoareUtils]: At program point L555-5(lines 555 557) the Hoare annotation is: (or (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= .cse0 2147483646) (<= 0 (+ 2147483649 .cse0)))) (not |ULTIMATE.start_test_fun_#t~short8#1|)) [2024-11-13 21:15:34,228 INFO L77 FloydHoareUtils]: At program point L555-7(lines 555 557) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483648)) [2024-11-13 21:15:34,228 INFO L77 FloydHoareUtils]: At program point L555-8(lines 555 557) the Hoare annotation is: true [2024-11-13 21:15:34,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 21:15:34,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 21:15:34,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-13 21:15:34,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:15:34 ImpRootNode [2024-11-13 21:15:34,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:15:34,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:15:34,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:15:34,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:15:34,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:31" (3/4) ... [2024-11-13 21:15:34,245 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:15:34,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 21:15:34,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:15:34,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:15:34,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:15:34,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:15:34,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:15:34,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:15:34,324 INFO L158 Benchmark]: Toolchain (without parser) took 3851.68ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 63.4MB in the end (delta: 54.8MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:34,324 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:34,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.82ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:15:34,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.63ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:34,325 INFO L158 Benchmark]: Boogie Preprocessor took 33.99ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.6MB in the end (delta: 875.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:34,326 INFO L158 Benchmark]: RCFGBuilder took 364.94ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 85.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:15:34,326 INFO L158 Benchmark]: CodeCheck took 2896.22ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 67.9MB in the end (delta: 17.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-13 21:15:34,326 INFO L158 Benchmark]: Witness Printer took 81.17ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 63.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:34,329 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 20 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 253 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 3/3 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: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.82ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.63ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.99ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.6MB in the end (delta: 875.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.94ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 85.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2896.22ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 67.9MB in the end (delta: 17.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 81.17ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 63.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 21:15:34,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2a0a6c-7b25-4e74-b76c-58fbc9d73394/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