./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/joey.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/joey.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm --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 b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:33,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:33,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:50:33,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:50:33,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:50:33,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:33,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:33,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:33,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:33,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:33,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:33,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:33,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:50:33,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:33,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:33,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:33,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:33,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:33,916 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:50:33,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:50:33,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:33,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:33,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:33,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:33,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:33,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:33,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:33,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:33,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:33,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:33,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:50:33,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:50:33,918 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_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm 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 -> b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 [2024-11-13 16:50:34,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:34,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:34,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:34,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:34,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:34,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/joey.c Unable to find full path for "g++" [2024-11-13 16:50:36,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:36,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:36,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/sv-benchmarks/c/termination-crafted-lit/joey.c [2024-11-13 16:50:36,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/data/41f2912e5/0eacdf16fe7b48a989fd98cf6350cf8e/FLAG6b2400352 [2024-11-13 16:50:36,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/data/41f2912e5/0eacdf16fe7b48a989fd98cf6350cf8e [2024-11-13 16:50:36,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:36,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:36,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:36,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:36,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:36,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a58080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36, skipping insertion in model container [2024-11-13 16:50:36,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:36,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:36,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:36,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:36,873 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:36,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36 WrapperNode [2024-11-13 16:50:36,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:36,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:36,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:36,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:36,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,892 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2024-11-13 16:50:36,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:36,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:36,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:36,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:36,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:36,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:36,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:36,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:36,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:36" (1/1) ... [2024-11-13 16:50:36,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:36,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:36,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-13 16:50:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-13 16:50:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:37,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:37,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:37,170 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:37,170 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:37,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:37,192 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:37,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:37 BoogieIcfgContainer [2024-11-13 16:50:37,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:37,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:37,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:37,203 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:37,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:37" (1/1) ... [2024-11-13 16:50:37,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2024-11-13 16:50:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-13 16:50:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:37,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:37,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:50:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2024-11-13 16:50:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-13 16:50:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:37,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:37,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:50:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2024-11-13 16:50:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-13 16:50:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:50:37,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:50:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 42 transitions. [2024-11-13 16:50:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 16:50:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:50:38,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:38,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:38,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:38,291 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 16:50:38,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:38 ImpRootNode [2024-11-13 16:50:38,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:38,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:38,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:38,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:38,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:37" (3/4) ... [2024-11-13 16:50:38,312 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:50:38,338 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:50:38,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:38,339 INFO L158 Benchmark]: Toolchain (without parser) took 1688.96ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 53.7MB in the end (delta: 65.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:50:38,339 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:38,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.57ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:38,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.65ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:38,340 INFO L158 Benchmark]: Boogie Preprocessor took 19.57ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.9MB in the end (delta: 499.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:38,340 INFO L158 Benchmark]: RCFGBuilder took 279.34ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 96.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:38,341 INFO L158 Benchmark]: CodeCheck took 1115.61ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 55.3MB in the end (delta: 40.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:38,341 INFO L158 Benchmark]: Witness Printer took 28.16ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:38,343 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 2 procedures, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 28 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 134 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; VAL [x=2147483647] [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647] * 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 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.57ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.65ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.57ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.9MB in the end (delta: 499.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.34ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 96.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1115.61ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 55.3MB in the end (delta: 40.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 28.16ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:50:38,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099e3b46-41ee-4c87-8e03-fb681c1745f9/bin/ukojak-verify-EEHR8qb7sm/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)