./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/flag-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/flag-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b --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 abf4329ddc5f09eb293d69b4a141041b710b785b2b3f28194d7fc784d5a71533 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:16,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:16,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:31:16,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:31:16,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:31:16,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:16,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:16,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:16,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:16,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:16,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:16,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:16,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:16,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:16,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:16,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:16,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:31:16,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:31:16,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b 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 -> abf4329ddc5f09eb293d69b4a141041b710b785b2b3f28194d7fc784d5a71533 [2024-12-06 01:31:17,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:17,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:17,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:17,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:17,088 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:17,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/flag-alloca.i [2024-12-06 01:31:19,888 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/data/9b36739b5/3815e5c3d92241eaa5482aace5f2f499/FLAG45d829782 [2024-12-06 01:31:20,191 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:20,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/sv-benchmarks/c/termination-memory-alloca/flag-alloca.i [2024-12-06 01:31:20,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/data/9b36739b5/3815e5c3d92241eaa5482aace5f2f499/FLAG45d829782 [2024-12-06 01:31:20,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/data/9b36739b5/3815e5c3d92241eaa5482aace5f2f499 [2024-12-06 01:31:20,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:20,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:20,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:20,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:20,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:20,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0b00cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20, skipping insertion in model container [2024-12-06 01:31:20,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:20,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:20,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:20,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:20,558 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:20,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20 WrapperNode [2024-12-06 01:31:20,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:20,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:20,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:20,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:20,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,594 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-12-06 01:31:20,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:20,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:20,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:20,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:20,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:20,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:20,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:20,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:20,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:20,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:20,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:31:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:31:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:31:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:31:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:20,761 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:20,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:20,880 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:20,880 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:20,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:20,916 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:31:20,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:20 BoogieIcfgContainer [2024-12-06 01:31:20,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:20,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:20,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:20,928 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:20,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:20" (1/1) ... [2024-12-06 01:31:20,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 01:31:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 01:31:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:31:20,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:31:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:31:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 01:31:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 01:31:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:31:21,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:31:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:31:21,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:31:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:31:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:31:21,854 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:31:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:31:21,872 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 01:31:21,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:31:21 ImpRootNode [2024-12-06 01:31:21,898 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:31:21,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:31:21,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:31:21,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:31:21,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:20" (3/4) ... [2024-12-06 01:31:21,901 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:31:21,928 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 01:31:21,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:31:21,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:31:21,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:31:21,969 INFO L158 Benchmark]: Toolchain (without parser) took 1745.25ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 48.6MB in the end (delta: 68.5MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-06 01:31:21,969 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:21,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.41ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 100.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:21,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.46ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:21,970 INFO L158 Benchmark]: Boogie Preprocessor took 22.70ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.4MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:21,971 INFO L158 Benchmark]: RCFGBuilder took 297.98ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 84.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:21,971 INFO L158 Benchmark]: CodeCheck took 981.13ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 52.6MB in the end (delta: 31.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-12-06 01:31:21,971 INFO L158 Benchmark]: Witness Printer took 69.19ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 48.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:21,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 558]: integer overflow possible integer overflow possible We found a FailurePath: [L564] CALL f(__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L549] int* x_ref = __builtin_alloca (sizeof(int)); [L550] int* y_ref = __builtin_alloca (sizeof(int)); [L551] int* flag = __builtin_alloca (sizeof(int)); [L552] int* c = __builtin_alloca (sizeof(int)); [L553] *x_ref = x [L554] *y_ref = y [L555] *flag = 1 [L556] *c = 0 VAL [c={13748:0}, flag={13749:0}, x_ref={13746:0}, y_ref={13747:0}] [L557] EXPR \read(*flag) VAL [c={13748:0}, flag={13749:0}, x_ref={13746:0}, y_ref={13747:0}] [L557] COND TRUE *flag [L558] EXPR \read(*x_ref) [L558] (*x_ref)++ VAL [c={13748:0}, flag={13749:0}, x_ref={13746:0}, y_ref={13747:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.41ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 100.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.46ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.70ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.4MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.98ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 84.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 981.13ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 52.6MB in the end (delta: 31.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 69.19ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 48.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:31:22,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac601f4-f48b-4744-93b4-2f15e2dad076/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)