./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV --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 f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:14,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:14,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:14,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:14,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:14,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:14,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:14,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:14,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:14,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:14,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:14,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:14,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:14,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:14,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:14,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:14,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:14,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:14,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:14,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:14,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:14,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:14,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:14,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:14,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:14,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:14,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:14,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:14,644 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:14,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:14,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:14,645 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_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef [2023-11-11 23:49:14,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:14,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:14,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:14,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:14,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:14,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i [2023-11-11 23:49:18,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:18,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:18,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i [2023-11-11 23:49:18,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/data/287fb1892/fdbef27ca7e64047b9470bc74ed7d107/FLAG8350cf4bc [2023-11-11 23:49:18,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/data/287fb1892/fdbef27ca7e64047b9470bc74ed7d107 [2023-11-11 23:49:18,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:18,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:18,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:18,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:18,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:18,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc76ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18, skipping insertion in model container [2023-11-11 23:49:18,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:18,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:18,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:18,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:18,842 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:18,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18 WrapperNode [2023-11-11 23:49:18,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:18,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:18,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:18,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:18,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,887 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-11 23:49:18,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:18,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:18,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:18,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:18,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:18,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:18,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:18,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:18,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:18" (1/1) ... [2023-11-11 23:49:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:18,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:18,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:49:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:49:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:19,140 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:19,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:19,354 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:19,393 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:19,394 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:49:19,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:19 BoogieIcfgContainer [2023-11-11 23:49:19,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:19,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:19,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:19,410 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:19,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:19" (1/1) ... [2023-11-11 23:49:19,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-11 23:49:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-11 23:49:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:19,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:19,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:49:19,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:20,180 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-11 23:49:20,182 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 24 [2023-11-11 23:49:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-11 23:49:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-11 23:49:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:49:20,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:20,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:49:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:49:20,507 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:49:20,531 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,534 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,535 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,538 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-11 23:49:20,538 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,539 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,539 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,539 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:49:20,539 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short8 could not be translated [2023-11-11 23:49:20,540 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-11 23:49:20,540 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-11 23:49:20,541 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,541 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,542 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,542 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-11 23:49:20,542 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,543 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,543 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,543 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-11 23:49:20,543 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-11 23:49:20,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:20 ImpRootNode [2023-11-11 23:49:20,548 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:20,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:20,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:20,549 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:20,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:19" (3/4) ... [2023-11-11 23:49:20,551 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:49:20,556 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,557 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,557 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,557 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-11 23:49:20,558 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short8 could not be translated [2023-11-11 23:49:20,558 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,558 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:49:20,558 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,559 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,559 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-11 23:49:20,559 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-11 23:49:20,560 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,560 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-11 23:49:20,560 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,560 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,561 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-11 23:49:20,561 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-11 23:49:20,561 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-11 23:49:20,562 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-11 23:49:20,562 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-11 23:49:20,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:20,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:20,598 INFO L158 Benchmark]: Toolchain (without parser) took 2160.06ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 125.6MB in the beginning and 128.9MB in the end (delta: -3.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,599 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:20,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.91ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 109.8MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,601 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,602 INFO L158 Benchmark]: RCFGBuilder took 480.94ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 92.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,603 INFO L158 Benchmark]: CodeCheck took 1150.35ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 92.5MB in the beginning and 132.1MB in the end (delta: -39.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,604 INFO L158 Benchmark]: Witness Printer took 48.49ms. Allocated memory is still 203.4MB. Free memory was 132.1MB in the beginning and 128.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:20,608 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 33 SizeOfPredicates, 8 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 7 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: 556]: integer overflow possible integer overflow possible We found a FailurePath: [L562] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L549] int* x_ref = __builtin_alloca (sizeof(int)); [L550] int* y_ref = __builtin_alloca (sizeof(int)); [L551] int* c = __builtin_alloca (sizeof(int)); [L552] *x_ref = x [L553] *y_ref = y [L554] *c = 0 VAL [\old(x)=2147482613, \old(y)=2147482614, c={3:0}, x=2147482613, x_ref={4:0}, y=2147482614, y_ref={2:0}] [L555] EXPR \read(*x_ref) [L555] (*x_ref > 1) && (*x_ref < *y_ref) [L555] EXPR \read(*x_ref) [L555] EXPR \read(*y_ref) [L555] (*x_ref > 1) && (*x_ref < *y_ref) VAL [\old(x)=2147482613, \old(y)=2147482614, c={3:0}, x=2147482613, x_ref={4:0}, y=2147482614, y_ref={2:0}] [L555] COND TRUE (*x_ref > 1) && (*x_ref < *y_ref) [L556] EXPR \read(*x_ref) [L556] EXPR \read(*x_ref) VAL [\old(x)=2147482613, \old(y)=2147482614, c={3:0}, x=2147482613, x_ref={4:0}, y=2147482614, y_ref={2:0}] [L556] (*x_ref) * (*x_ref) VAL [\old(x)=2147482613, \old(y)=2147482614, c={3:0}, x=2147482613, x_ref={4:0}, y=2147482614, y_ref={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.91ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 109.8MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.11ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.94ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 92.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1150.35ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 92.5MB in the beginning and 132.1MB in the end (delta: -39.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 48.49ms. Allocated memory is still 203.4MB. Free memory was 132.1MB in the beginning and 128.9MB in the end (delta: 3.1MB). 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~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:49:20,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b78b9-076f-4d23-b7fd-b110d357279f/bin/ukojak-verify-0OAaufAVZV/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)