./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.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_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/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_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/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_64180195-163a-49fd-ba47-b1d9e6ce82cf/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 e0b97717a770147a51187027f49ce4841280b7c6199e58b9d59e9dd8baf91869 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:59,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:59,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:50:59,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:59,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:59,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:59,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:59,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:59,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:59,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:59,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:59,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:59,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:59,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:59,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:59,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:59,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:59,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:59,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:59,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:59,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:59,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:59,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:59,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:59,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:59,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:59,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:59,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:59,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:59,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:59,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:59,574 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_64180195-163a-49fd-ba47-b1d9e6ce82cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b97717a770147a51187027f49ce4841280b7c6199e58b9d59e9dd8baf91869 [2023-11-11 23:50:59,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:59,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:59,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:59,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:59,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:59,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i [2023-11-11 23:51:03,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:03,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:03,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i [2023-11-11 23:51:03,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/data/c349cb698/08dc30c86b644aec8c2b02331e3b7017/FLAG87625f71e [2023-11-11 23:51:03,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/data/c349cb698/08dc30c86b644aec8c2b02331e3b7017 [2023-11-11 23:51:03,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:03,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:03,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:03,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:03,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:03,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d24ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03, skipping insertion in model container [2023-11-11 23:51:03,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:03,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:03,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:03,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:03,539 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:03,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03 WrapperNode [2023-11-11 23:51:03,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:03,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:03,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:03,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:03,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,573 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-11-11 23:51:03,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:03,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:03,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:03,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:03,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:03,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:03,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:03,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:03,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:03" (1/1) ... [2023-11-11 23:51:03,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:03,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:03,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:03,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:51:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-11 23:51:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-11 23:51:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-11 23:51:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-11 23:51:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:03,787 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:03,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:04,153 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:04,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:04,194 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:51:04,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:04 BoogieIcfgContainer [2023-11-11 23:51:04,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:04,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:04,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:04,219 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:04,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:04" (1/1) ... [2023-11-11 23:51:04,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2023-11-11 23:51:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2023-11-11 23:51:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:51:04,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:04,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:04,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:51:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:04,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:51:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:51:04,714 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:51:04,739 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-11 23:51:04,740 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:51:04,740 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-11 23:51:04,740 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:51:04,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:51:04 ImpRootNode [2023-11-11 23:51:04,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:51:04,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:51:04,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:51:04,748 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:51:04,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:04" (3/4) ... [2023-11-11 23:51:04,750 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:51:04,753 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-11 23:51:04,753 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:51:04,754 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-11 23:51:04,754 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:51:04,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:51:04,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:51:04,802 INFO L158 Benchmark]: Toolchain (without parser) took 1485.47ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 75.3MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,810 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:04,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.50ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 108.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,814 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:04,815 INFO L158 Benchmark]: RCFGBuilder took 599.15ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 92.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,816 INFO L158 Benchmark]: CodeCheck took 546.89ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 77.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,820 INFO L158 Benchmark]: Witness Printer took 51.23ms. Allocated memory is still 165.7MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:04,824 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 3 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 13]: integer overflow possible integer overflow possible We found a FailurePath: [L41] int *p1 = malloc(sizeof(int)); [L42] int *p2 = malloc(sizeof(int)); [L44] *p1 = __VERIFIER_nondet_int() [L45] *p2 = __VERIFIER_nondet_int() [L47] CALL f(p1,p2) VAL [p={15922:0}, q={-1:0}] [L13] EXPR \read(*p) [L13] EXPR \read(*q) VAL [p={15922:0}, p={15922:0}, q={-1:0}, q={-1:0}] [L13] *p + *q VAL [p={15922:0}, p={15922:0}, q={-1:0}, q={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.50ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 108.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.15ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 92.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 546.89ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 77.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 51.23ms. Allocated memory is still 165.7MB. Free memory was 77.4MB in the beginning and 75.3MB 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: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 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 23:51:04,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64180195-163a-49fd-ba47-b1d9e6ce82cf/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)