./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_21.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_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/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_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/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_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/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 09b58293612eb320ba1daf9ca7fe4947dbbcf9de2baf65b6860d058db21da006 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:23,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:23,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:58:23,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:23,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:23,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:23,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:23,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:23,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:23,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:23,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:23,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:23,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:23,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:23,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:23,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:23,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:23,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:23,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:23,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:23,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:23,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:23,683 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_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/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 -> 09b58293612eb320ba1daf9ca7fe4947dbbcf9de2baf65b6860d058db21da006 [2024-11-13 22:58:24,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:24,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:24,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:24,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:24,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:24,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/NO_21.c Unable to find full path for "g++" [2024-11-13 22:58:25,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:26,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:26,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/sv-benchmarks/c/termination-restricted-15/NO_21.c [2024-11-13 22:58:26,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/data/0b7575ebf/06b0e728a8884be9b4a682cfa4f3f7ac/FLAG47d26e77c [2024-11-13 22:58:26,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/data/0b7575ebf/06b0e728a8884be9b4a682cfa4f3f7ac [2024-11-13 22:58:26,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:26,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:26,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:26,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:26,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:26,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4d32a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26, skipping insertion in model container [2024-11-13 22:58:26,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:26,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:26,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:26,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:26,452 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:26,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26 WrapperNode [2024-11-13 22:58:26,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:26,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:26,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:26,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:26,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,481 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-13 22:58:26,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:26,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:26,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:26,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:26,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:26,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:26,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:26,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:26,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:26,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:26,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:26,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:26,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:26,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:26,735 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:26,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:26,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:26,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:58:26,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26 BoogieIcfgContainer [2024-11-13 22:58:26,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:26,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:26,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:26,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:26,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 22:58:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 22:58:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:58:26,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:26,984 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 22:58:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 22:58:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 22:58:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:58:27,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,093 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 22:58:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:58:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:58:27,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:58:27,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,248 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 22:58:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 22:58:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 22:58:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:58:27,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,336 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 22:58:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 22:58:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 22:58:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:58:27,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,533 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 22:58:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 22:58:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 22:58:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:58:27,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:58:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:58:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:58:27,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:58:27,912 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:58:27,921 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 22:58:27,952 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 22:58:27,953 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-13 22:58:27,953 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 22:58:27,953 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-13 22:58:27,954 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-13 22:58:27,954 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:58:27,954 INFO L77 FloydHoareUtils]: At program point L9-2(lines 9 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-13 22:58:27,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 22:58:27,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 22:58:27,954 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-13 22:58:27,955 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-13 22:58:27,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:58:27 ImpRootNode [2024-11-13 22:58:27,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:58:27,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:58:27,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:58:27,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:58:27,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26" (3/4) ... [2024-11-13 22:58:27,971 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:58:27,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 22:58:27,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:58:27,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:58:28,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:58:28,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:58:28,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:58:28,056 INFO L158 Benchmark]: Toolchain (without parser) took 1836.43ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 84.3MB in the end (delta: 9.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 22:58:28,056 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:28,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.50ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:28,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:28,059 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 549.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:28,059 INFO L158 Benchmark]: RCFGBuilder took 259.07ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 72.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:28,060 INFO L158 Benchmark]: CodeCheck took 1206.52ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 88.5MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:28,060 INFO L158 Benchmark]: Witness Printer took 85.90ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 84.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:28,063 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: 1.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 0 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 214 SyntacticMatches, 17 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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: 9]: Loop Invariant Derived loop invariant: ((i <= 0) && (0 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.50ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 549.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.07ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 72.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1206.52ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 88.5MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.90ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 84.3MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:58:28,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5c611f-dbb7-4d9b-96fb-3cac11bf5c07/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