./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/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_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/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_de7fdfe4-2618-432e-8508-2d3ce6bef32f/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 856d94ec041b267732c8bce0716646085f61a9b9ff6e49843f730e0ad45cc451 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:52,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:52,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:52,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:52,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:52,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:52,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:52,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:52,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:52,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:52,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:52,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:52,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:52,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:52,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:52,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:52,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:52,215 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:52,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:52,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:52,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:52,218 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:52,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:52,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:52,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:52,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:52,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:52,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:52,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:52,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:52,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:52,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:52,224 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_de7fdfe4-2618-432e-8508-2d3ce6bef32f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856d94ec041b267732c8bce0716646085f61a9b9ff6e49843f730e0ad45cc451 [2023-11-24 23:08:52,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:52,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:52,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:52,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:52,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:52,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2023-11-24 23:08:55,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:56,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:56,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2023-11-24 23:08:56,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/data/549c798e0/8fafaa3e4e0241db901f34abd4210aab/FLAGb6858f742 [2023-11-24 23:08:56,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/data/549c798e0/8fafaa3e4e0241db901f34abd4210aab [2023-11-24 23:08:56,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:56,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:56,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:56,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:56,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:56,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42921e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56, skipping insertion in model container [2023-11-24 23:08:56,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:56,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:56,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:56,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:56,396 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:56,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56 WrapperNode [2023-11-24 23:08:56,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:56,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:56,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:56,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:56,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,439 INFO L138 Inliner]: procedures = 12, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-11-24 23:08:56,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:56,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:56,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:56,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:56,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:56,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:56,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:56,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:56,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:56,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:56,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:08:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 23:08:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 23:08:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-24 23:08:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-24 23:08:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:56,681 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:56,684 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:56,874 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:56,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:56,900 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:56,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:56 BoogieIcfgContainer [2023-11-24 23:08:56,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:56,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:56,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:56,914 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:56,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:56" (1/1) ... [2023-11-24 23:08:56,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-24 23:08:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-24 23:08:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:56,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:57,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:57,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:57,476 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:57,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:08:57,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:08:57,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:08:57,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:08:57,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:57 ImpRootNode [2023-11-24 23:08:57,511 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:57,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:57,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:57,513 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:57,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:56" (3/4) ... [2023-11-24 23:08:57,516 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:08:57,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:08:57,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:08:57,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-24 23:08:57,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-24 23:08:57,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:08:57,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:57,601 INFO L158 Benchmark]: Toolchain (without parser) took 1470.75ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 71.5MB in the beginning and 96.7MB in the end (delta: -25.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,608 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:57,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 61.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 60.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,611 INFO L158 Benchmark]: Boogie Preprocessor took 34.81ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 59.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:57,612 INFO L158 Benchmark]: RCFGBuilder took 426.61ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 113.5MB in the end (delta: -54.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,616 INFO L158 Benchmark]: CodeCheck took 608.43ms. Allocated memory is still 151.0MB. Free memory was 113.5MB in the beginning and 98.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,617 INFO L158 Benchmark]: Witness Printer took 84.70ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:57,624 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, 21 locations, 4 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, 0.1s 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: [L37] int *p1 = malloc(sizeof(int)); [L38] int *p2 = malloc(sizeof(int)); [L40] *p1 = __VERIFIER_nondet_int() [L41] *p2 = __VERIFIER_nondet_int() [L43] CALL f(p1,p2) VAL [p={-20538:0}, q={15922:0}] [L13] EXPR \read(*p) [L13] EXPR \read(*q) VAL [p={-20538:0}, p={-20538:0}, q={15922:0}, q={15922:0}] [L13] *p + *q VAL [p={-20538:0}, p={-20538:0}, q={15922:0}, q={15922:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 61.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 60.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.81ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 59.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.61ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.1MB in the beginning and 113.5MB in the end (delta: -54.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 608.43ms. Allocated memory is still 151.0MB. Free memory was 113.5MB in the beginning and 98.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 84.70ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 96.7MB 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~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 23:08:57,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de7fdfe4-2618-432e-8508-2d3ce6bef32f/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)