./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk --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 7fe3843d41a84d22889162aaa1c2b6d18f44faeeac702eea9c45f49a2c72d4bd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:43,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:43,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:05:43,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:05:43,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:05:43,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:43,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:43,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:43,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:43,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:43,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:43,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:43,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:05:43,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:43,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:43,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:43,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:43,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:43,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:05:43,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:05:43,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:43,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:43,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:43,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:43,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:43,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:43,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:43,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:43,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:43,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:43,889 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:05:43,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:05:43,889 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_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fe3843d41a84d22889162aaa1c2b6d18f44faeeac702eea9c45f49a2c72d4bd [2024-11-08 23:05:44,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:44,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:44,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:44,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:44,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:44,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig4.c Unable to find full path for "g++" [2024-11-08 23:05:46,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:46,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:46,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig4.c [2024-11-08 23:05:46,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/data/52c97f313/acb5f2b51ab64d22a65b807f58bb3e5b/FLAG8b78cb9eb [2024-11-08 23:05:46,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/data/52c97f313/acb5f2b51ab64d22a65b807f58bb3e5b [2024-11-08 23:05:46,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:46,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:46,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:46,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:46,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:46,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9b1ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46, skipping insertion in model container [2024-11-08 23:05:46,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:46,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:46,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:46,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:46,836 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:46,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46 WrapperNode [2024-11-08 23:05:46,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:46,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:46,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:46,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:46,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,862 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-08 23:05:46,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:46,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:46,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:46,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:46,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:46,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:46,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:46,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:46,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:46,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:46,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:47,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:47,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:47,121 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:47,121 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:47,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:47,150 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:05:47,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47 BoogieIcfgContainer [2024-11-08 23:05:47,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:47,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:47,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:47,163 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:47,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 23:05:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 23:05:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:05:47,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:47,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 23:05:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 23:05:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:05:47,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:47,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-08 23:05:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-08 23:05:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:05:47,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-08 23:05:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-08 23:05:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:05:47,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:47,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 23:05:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 23:05:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:05:48,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:05:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-08 23:05:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-08 23:05:48,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:05:48,594 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 23:05:48,606 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 23:05:48,655 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-08 23:05:48,655 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:05:48,655 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-08 23:05:48,656 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-08 23:05:48,656 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-08 23:05:48,657 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 23:05:48,657 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 24) the Hoare annotation is: true [2024-11-08 23:05:48,657 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:05:48,657 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-08 23:05:48,658 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-08 23:05:48,658 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 23:05:48,659 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 23:05:48,660 INFO L77 FloydHoareUtils]: At program point L18(lines 18 23) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 23:05:48,660 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 23:05:48,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:05:48 ImpRootNode [2024-11-08 23:05:48,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:05:48,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:05:48,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:05:48,677 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:05:48,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47" (3/4) ... [2024-11-08 23:05:48,681 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:05:48,692 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:05:48,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:05:48,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:05:48,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:05:48,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:05:48,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:05:48,783 INFO L158 Benchmark]: Toolchain (without parser) took 2292.30ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 63.2MB in the beginning and 114.9MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:48,783 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:48,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.23ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 62.9MB in the beginning and 123.2MB in the end (delta: -60.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 23:05:48,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.41ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:48,784 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 161.5MB. Free memory was 122.1MB in the beginning and 121.1MB in the end (delta: 945.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:48,785 INFO L158 Benchmark]: RCFGBuilder took 268.82ms. Allocated memory is still 161.5MB. Free memory was 121.1MB in the beginning and 111.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:05:48,785 INFO L158 Benchmark]: CodeCheck took 1524.42ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 119.1MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:48,786 INFO L158 Benchmark]: Witness Printer took 105.07ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 114.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:05:48,788 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 48 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 249 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.23ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 62.9MB in the beginning and 123.2MB in the end (delta: -60.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.41ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 161.5MB. Free memory was 122.1MB in the beginning and 121.1MB in the end (delta: 945.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.82ms. Allocated memory is still 161.5MB. Free memory was 121.1MB in the beginning and 111.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1524.42ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 119.1MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 105.07ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 114.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:05:48,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3593f8b6-a6f9-45fa-9cf5-688e486ce337/bin/ukojak-verify-ImItNfHLgk/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 Result: TRUE