./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa3b43f792186d6a3a352371ca1ff1e69a3803ae0fdc3e5930b5d657527704c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:52,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:52,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:02:52,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:52,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:52,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:52,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:52,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:52,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:52,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:52,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:52,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:52,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:52,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:52,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:52,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:52,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:52,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:52,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:52,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:52,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:52,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:52,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:52,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:52,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:52,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:52,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:52,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:52,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:52,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:52,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:52,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:52,505 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_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3b43f792186d6a3a352371ca1ff1e69a3803ae0fdc3e5930b5d657527704c5 [2023-11-24 23:02:52,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:52,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:52,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:52,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:52,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:52,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2023-11-24 23:02:56,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:56,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:56,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2023-11-24 23:02:56,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/data/c40a97d45/f87ff95e81024c849111422c7d90881b/FLAGd3274960b [2023-11-24 23:02:56,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/data/c40a97d45/f87ff95e81024c849111422c7d90881b [2023-11-24 23:02:56,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:56,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:56,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:56,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:56,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:56,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3b4721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56, skipping insertion in model container [2023-11-24 23:02:56,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:56,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:56,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,983 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:56,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56 WrapperNode [2023-11-24 23:02:56,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:56,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:56,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:56,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:56,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,027 INFO L138 Inliner]: procedures = 12, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-11-24 23:02:57,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:57,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:57,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:57,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:57,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:57,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:57,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:57,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:57,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:57,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:57,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:57,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 23:02:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 23:02:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-24 23:02:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-24 23:02:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:57,301 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:57,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:57,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:57,556 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:57,556 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:57,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57 BoogieIcfgContainer [2023-11-24 23:02:57,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:57,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:57,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:57,573 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:57,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2023-11-24 23:02:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-24 23:02:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:57,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:57,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:57,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:58,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:58,102 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:58,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:02:58,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:02:58,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:02:58,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:02:58,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:58 ImpRootNode [2023-11-24 23:02:58,140 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:58,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:58,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:58,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:58,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57" (3/4) ... [2023-11-24 23:02:58,147 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:02:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:02:58,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:02:58,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:02:58,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:02:58,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:02:58,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:58,215 INFO L158 Benchmark]: Toolchain (without parser) took 1550.09ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 143.4MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,217 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.14ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 126.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.30ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,223 INFO L158 Benchmark]: Boogie Preprocessor took 63.24ms. Allocated memory is still 180.4MB. Free memory was 124.6MB in the beginning and 123.7MB in the end (delta: 883.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,224 INFO L158 Benchmark]: RCFGBuilder took 465.73ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 111.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,224 INFO L158 Benchmark]: CodeCheck took 580.13ms. Allocated memory is still 180.4MB. Free memory was 111.1MB in the beginning and 145.4MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,228 INFO L158 Benchmark]: Witness Printer took 69.41ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 143.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,234 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, 26 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: [L43] int *p1 = malloc(sizeof(int)); [L44] int *p2 = malloc(sizeof(int)); [L46] *p1 = __VERIFIER_nondet_int() [L47] *p2 = __VERIFIER_nondet_int() [L49] CALL f(p1,p2) VAL [p={8946:0}, q={-26286:0}] [L13] EXPR \read(*p) [L13] EXPR \read(*q) VAL [p={8946:0}, p={8946:0}, q={-26286:0}, q={-26286:0}] [L13] *p + *q VAL [p={8946:0}, p={8946:0}, q={-26286:0}, q={-26286:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.14ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 126.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.30ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.24ms. Allocated memory is still 180.4MB. Free memory was 124.6MB in the beginning and 123.7MB in the end (delta: 883.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.73ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 111.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 580.13ms. Allocated memory is still 180.4MB. Free memory was 111.1MB in the beginning and 145.4MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.41ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 143.4MB in the end (delta: 2.0MB). 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~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 Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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 Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:02:58,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_058d5e83-6094-4eb5-b781-fbd7d1064fb8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)