./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi --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 5744db56abf24224cf1693e3e46d5bede5dd8c74199d1ade21d96d1156922237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:24,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:24,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:07:24,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:24,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:24,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:24,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:24,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:24,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:24,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:24,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:24,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:24,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:24,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:24,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:24,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:24,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:24,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:24,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:24,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:24,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:24,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:24,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:24,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:24,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:24,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:24,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:24,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:24,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:24,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:24,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:24,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:24,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5744db56abf24224cf1693e3e46d5bede5dd8c74199d1ade21d96d1156922237 [2023-11-24 23:07:24,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:24,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:24,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:24,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:24,868 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:24,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2023-11-24 23:07:27,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:28,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:28,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2023-11-24 23:07:28,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/data/ae9f0e3f9/738a2dca219043f399341ed3b984aca0/FLAGc14941c82 [2023-11-24 23:07:28,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/data/ae9f0e3f9/738a2dca219043f399341ed3b984aca0 [2023-11-24 23:07:28,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:28,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:28,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:28,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:28,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:28,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383eca9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28, skipping insertion in model container [2023-11-24 23:07:28,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:28,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:28,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:28,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:28,813 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:28,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28 WrapperNode [2023-11-24 23:07:28,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:28,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:28,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:28,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:28,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,868 INFO L138 Inliner]: procedures = 110, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-11-24 23:07:28,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:28,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:28,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:28,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:28,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:28,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:28,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:28,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:28,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:28,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:28,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:28,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:07:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:07:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:07:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:29,152 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:29,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:29,417 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:29,477 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:29,477 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:07:29,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:29 BoogieIcfgContainer [2023-11-24 23:07:29,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:29,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:29,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:29,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:29,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:29,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-24 23:07:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-24 23:07:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:07:29,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:29,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:29,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-24 23:07:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-24 23:07:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:07:30,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:30,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:30,084 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:07:30,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-24 23:07:30,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-24 23:07:30,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:30 ImpRootNode [2023-11-24 23:07:30,108 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:30,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:30,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:30,109 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:30,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:29" (3/4) ... [2023-11-24 23:07:30,111 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:07:30,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-24 23:07:30,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-24 23:07:30,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:07:30,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:30,145 INFO L158 Benchmark]: Toolchain (without parser) took 1817.04ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 95.0MB in the end (delta: 19.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,146 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 77.7MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:30,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.84ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 97.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.83ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:30,148 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,149 INFO L158 Benchmark]: RCFGBuilder took 580.58ms. Allocated memory is still 159.4MB. Free memory was 94.1MB in the beginning and 118.9MB in the end (delta: -24.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,150 INFO L158 Benchmark]: CodeCheck took 627.94ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 97.1MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,150 INFO L158 Benchmark]: Witness Printer took 35.79ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:30,155 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int i, j; [L549] int length = __VERIFIER_nondet_int(); [L550] COND FALSE !(length < 1) [L551] int fac = __VERIFIER_nondet_int(); [L552] COND FALSE !(fac < 1) [L553] int *arr = __builtin_alloca (length*sizeof(int)); VAL [arr={2:0}, fac=2, length=2147483647] [L554] fac*length VAL [arr={2:0}, fac=2, length=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 77.7MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.84ms. Allocated memory is still 159.4MB. Free memory was 113.5MB in the beginning and 97.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.83ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.58ms. Allocated memory is still 159.4MB. Free memory was 94.1MB in the beginning and 118.9MB in the end (delta: -24.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 627.94ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 97.1MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 35.79ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:07:30,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b8ab42-d4fc-4788-80d4-a69292cd25cb/bin/ukojak-verify-afCqCEvfdi/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)