./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.08.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_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/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_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/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_478c78da-6c63-4a51-a9bc-236f0d7a09e4/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 00101ceaf0ab5dcd06a62d28e90471a493dd19d7f9d6e1d27432214e589a6ed6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:57:06,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:57:06,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:57:06,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:57:06,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:57:06,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:57:06,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:57:06,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:57:06,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:57:06,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:57:06,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:57:06,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:57:06,797 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:57:06,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:57:06,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:06,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:57:06,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:57:06,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:57:06,798 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:57:06,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:57:06,798 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_478c78da-6c63-4a51-a9bc-236f0d7a09e4/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 -> 00101ceaf0ab5dcd06a62d28e90471a493dd19d7f9d6e1d27432214e589a6ed6 [2024-11-13 21:57:07,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:57:07,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:57:07,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:57:07,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:57:07,147 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:57:07,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/a.08.c Unable to find full path for "g++" [2024-11-13 21:57:09,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:57:09,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:57:09,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/sv-benchmarks/c/termination-restricted-15/a.08.c [2024-11-13 21:57:09,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/data/561c410a7/6cb4e9ef984b4cc5a4490729a29aae4d/FLAGe4722c001 [2024-11-13 21:57:09,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/data/561c410a7/6cb4e9ef984b4cc5a4490729a29aae4d [2024-11-13 21:57:09,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:57:09,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:57:09,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:09,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:57:09,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:57:09,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611c8656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09, skipping insertion in model container [2024-11-13 21:57:09,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:57:09,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:09,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:57:09,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:09,504 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:57:09,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09 WrapperNode [2024-11-13 21:57:09,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:09,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:09,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:57:09,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:57:09,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,535 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-13 21:57:09,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:09,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:57:09,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:57:09,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:57:09,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:57:09,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:57:09,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:57:09,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:57:09,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:09,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:57:09,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:57:09,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:57:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:57:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:57:09,729 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:57:09,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:57:09,846 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:57:09,847 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:57:09,892 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:57:09,892 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:57:09,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:09 BoogieIcfgContainer [2024-11-13 21:57:09,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:57:09,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:57:09,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:57:09,907 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:57:09,908 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:09" (1/1) ... [2024-11-13 21:57:09,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:57:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 21:57:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 21:57:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:57:09,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:09,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:10,181 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 21:57:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:57:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:57:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:57:10,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:10,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:10,316 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 21:57:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:57:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:57:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:57:10,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:10,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:10,512 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 21:57:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-13 21:57:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-13 21:57:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:57:10,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:10,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:11,018 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 21:57:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:57:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:57:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:57:11,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:11,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:57:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:57:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:57:11,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:11,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 21:57:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 21:57:12,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:57:12,038 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:57:12,051 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:57:12,097 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-13 21:57:12,100 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:57:12,100 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 21:57:12,100 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483645) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 21:57:12,101 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483645) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 21:57:12,102 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:57:12,102 INFO L77 FloydHoareUtils]: At program point L11-2(lines 11 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-13 21:57:12,102 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-13 21:57:12,102 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 21:57:12,103 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483645) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 21:57:12,104 INFO L77 FloydHoareUtils]: At program point L12-1(line 12) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483645) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 21:57:12,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:57:12 ImpRootNode [2024-11-13 21:57:12,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:57:12,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:57:12,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:57:12,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:57:12,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:09" (3/4) ... [2024-11-13 21:57:12,123 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:57:12,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:57:12,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:57:12,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:57:12,213 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:57:12,213 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:57:12,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:57:12,216 INFO L158 Benchmark]: Toolchain (without parser) took 2949.64ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 43.8MB in the end (delta: 48.9MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-13 21:57:12,217 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:57:12,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:57:12,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.69ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:57:12,218 INFO L158 Benchmark]: Boogie Preprocessor took 23.60ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 81.0MB in the end (delta: 416.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:57:12,218 INFO L158 Benchmark]: RCFGBuilder took 332.24ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:57:12,218 INFO L158 Benchmark]: CodeCheck took 2225.65ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 48.1MB in the end (delta: 23.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-13 21:57:12,219 INFO L158 Benchmark]: Witness Printer took 93.26ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 43.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:57:12,221 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 0 mSDtfsCounter, 287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 228 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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: 11]: Loop Invariant Derived loop invariant: ((0 <= (x + 2147483648)) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.69ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.60ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 81.0MB in the end (delta: 416.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.24ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2225.65ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 48.1MB in the end (delta: 23.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 93.26ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 43.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:57:12,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478c78da-6c63-4a51-a9bc-236f0d7a09e4/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 Result: TRUE