./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL --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 a2f1dacf23e701c88af5ee644fdcccaa723983d694e8bd4147c38940002aa7b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:50,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:51,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:32:51,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:51,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:51,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:51,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:51,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:51,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:51,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:51,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:51,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:51,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:51,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:51,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:51,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:51,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:51,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:32:51,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:51,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:51,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:51,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:51,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:51,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:51,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:51,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:51,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:51,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:51,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:51,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:51,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:51,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:51,166 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_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2f1dacf23e701c88af5ee644fdcccaa723983d694e8bd4147c38940002aa7b2 [2023-11-19 03:32:51,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:51,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:51,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:51,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:51,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:51,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i [2023-11-19 03:32:55,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:55,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:55,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i [2023-11-19 03:32:55,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/data/52027acaa/e6b8730a468b41feb4e78568a64e5171/FLAGb6852647d [2023-11-19 03:32:55,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/data/52027acaa/e6b8730a468b41feb4e78568a64e5171 [2023-11-19 03:32:55,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:55,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:55,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:55,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:55,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:55,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a706b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55, skipping insertion in model container [2023-11-19 03:32:55,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:55,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:55,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:55,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:55,718 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:55,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55 WrapperNode [2023-11-19 03:32:55,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:55,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:55,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:55,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:55,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,757 INFO L138 Inliner]: procedures = 12, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-19 03:32:55,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:55,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:55,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:55,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:55,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:55,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:55,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:55,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:55,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:55,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:55,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:55,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:32:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:32:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-19 03:32:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-19 03:32:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:32:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:55,987 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:55,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:56,311 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:56,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:56,387 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:32:56,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:56 BoogieIcfgContainer [2023-11-19 03:32:56,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:56,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:56,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:56,407 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:56,408 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2023-11-19 03:32:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-19 03:32:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:32:56,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2023-11-19 03:32:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-19 03:32:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:57,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:57,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:32:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:57,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:32:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:57,248 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:32:57,286 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 03:32:57,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-19 03:32:57,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-19 03:32:57,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-19 03:32:57,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:32:57 ImpRootNode [2023-11-19 03:32:57,293 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:32:57,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:32:57,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:32:57,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:32:57,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:56" (3/4) ... [2023-11-19 03:32:57,296 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:32:57,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-19 03:32:57,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-19 03:32:57,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 03:32:57,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-19 03:32:57,335 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:32:57,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:32:57,337 INFO L158 Benchmark]: Toolchain (without parser) took 1910.33ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 66.4MB in the end (delta: 56.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,339 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:57,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.74ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 112.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,345 INFO L158 Benchmark]: Boogie Preprocessor took 32.65ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 109.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:57,345 INFO L158 Benchmark]: RCFGBuilder took 601.51ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 92.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,346 INFO L158 Benchmark]: CodeCheck took 899.02ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 67.9MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,347 INFO L158 Benchmark]: Witness Printer took 42.31ms. Allocated memory is still 155.2MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:57,349 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, 40 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L69] int *p1 = malloc(sizeof(int)); [L70] int *p2 = malloc(sizeof(int)); [L73] *p1 = __VERIFIER_nondet_int() [L74] *p2 = __VERIFIER_nondet_int() [L76] EXPR \read(*p1) [L76] *p1 < 0 || *p2 < 0 [L76] EXPR \read(*p2) [L76] *p1 < 0 || *p2 < 0 VAL [p1={-3:0}, p2={-1:0}] [L76] COND FALSE !(*p1 < 0 || *p2 < 0) [L79] EXPR \read(*p2) VAL [p1={-3:0}, p2={-1:0}] [L79] CALL f(p1,*p2) VAL [\old(v)=2147483647, q={-3:0}] [L17] COND FALSE !(v < 0) [L22] int *tmp = malloc(sizeof(int)); [L23] v+1 VAL [\old(v)=2147483647, q={-3:0}, q={-3:0}, tmp={-2:0}, v=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.74ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 112.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.65ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 109.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.51ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 92.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 899.02ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 67.9MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 42.31ms. Allocated memory is still 155.2MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). 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~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:32:57,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0282aa-71b5-4e48-95a0-8254d58fb56b/bin/ukojak-verify-G8NBE6pJGL/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)