./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3 --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 30d70cf2197e08977a52494fd2970e41435b4a438b2b1792b181b4b6cf10a827 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:50:58,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:50:58,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:50:58,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:50:58,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:50:58,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:50:58,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:50:58,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:50:58,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:50:58,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:50:58,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:50:58,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:50:58,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:50:58,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:50:58,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:50:58,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:58,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:50:58,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:50:58,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:50:58,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:50:58,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:50:58,419 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_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 30d70cf2197e08977a52494fd2970e41435b4a438b2b1792b181b4b6cf10a827 [2024-11-25 03:50:58,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:50:58,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:50:58,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:50:58,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:50:58,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:50:58,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c [2024-11-25 03:51:01,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/data/4d2867be0/af12a5af51fa40ffac5145dd146f9918/FLAG553e8dd2a [2024-11-25 03:51:02,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:51:02,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/sv-benchmarks/c/termination-restricted-15/b.03_assume.c [2024-11-25 03:51:02,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/data/4d2867be0/af12a5af51fa40ffac5145dd146f9918/FLAG553e8dd2a [2024-11-25 03:51:02,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/data/4d2867be0/af12a5af51fa40ffac5145dd146f9918 [2024-11-25 03:51:02,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:51:02,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:51:02,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:51:02,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:51:02,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:51:02,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b762cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02, skipping insertion in model container [2024-11-25 03:51:02,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:51:02,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:51:02,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:51:02,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:51:02,616 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:51:02,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02 WrapperNode [2024-11-25 03:51:02,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:51:02,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:51:02,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:51:02,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:51:02,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,644 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-25 03:51:02,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:51:02,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:51:02,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:51:02,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:51:02,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:51:02,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:51:02,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:51:02,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:51:02,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:51:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:51:02,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:51:02,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:51:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:51:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:51:02,810 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:51:02,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:51:02,915 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 03:51:02,915 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:51:02,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:51:02,937 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:51:02,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:51:02 BoogieIcfgContainer [2024-11-25 03:51:02,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:51:02,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:51:02,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:51:02,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:51:02,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:51:02" (1/1) ... [2024-11-25 03:51:02,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:51:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 03:51:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 03:51:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:51:03,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:51:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:51:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:51:03,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:03,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 03:51:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 03:51:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:51:03,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:51:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:51:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:51:03,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-25 03:51:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 03:51:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:51:04,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 03:51:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 03:51:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:51:04,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:51:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-25 03:51:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-25 03:51:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:51:05,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:05,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2024-11-25 03:51:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-25 03:51:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:51:06,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-25 03:51:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:51:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:51:07,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:51:07,104 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 03:51:07,113 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 03:51:07,471 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-11-25 03:51:07,472 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:51:07,472 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:51:07,472 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:51:07,472 INFO L77 FloydHoareUtils]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)) (and .cse0 (<= 0 .cse1) (or (< 0 |ULTIMATE.start_main_~x~0#1|) (not |ULTIMATE.start_main_#t~short2#1|))))) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 .cse1)) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)))) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-3(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 .cse1)) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)))) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-5(lines 9 11) the Hoare annotation is: (or (and (< (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483648) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483648))) (not |ULTIMATE.start_main_#t~short2#1|)) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-6(lines 9 11) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-8(lines 9 11) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and .cse0 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0))) [2024-11-25 03:51:07,473 INFO L77 FloydHoareUtils]: At program point L9-9(lines 9 11) the Hoare annotation is: true [2024-11-25 03:51:07,474 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-11-25 03:51:07,474 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:51:07,474 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-25 03:51:07,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:51:07 ImpRootNode [2024-11-25 03:51:07,486 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:51:07,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:51:07,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:51:07,487 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:51:07,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:51:02" (3/4) ... [2024-11-25 03:51:07,490 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:51:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:51:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:51:07,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:51:07,580 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:51:07,580 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:51:07,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:51:07,581 INFO L158 Benchmark]: Toolchain (without parser) took 5191.61ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 101.6MB in the end (delta: 15.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-25 03:51:07,581 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:07,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.53ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:07,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.21ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 772.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:07,584 INFO L158 Benchmark]: Boogie Preprocessor took 20.97ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.9MB in the end (delta: 472.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:07,584 INFO L158 Benchmark]: RCFGBuilder took 271.38ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 96.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:07,585 INFO L158 Benchmark]: CodeCheck took 4548.08ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 106.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:07,588 INFO L158 Benchmark]: Witness Printer took 93.18ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 101.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:07,590 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: 4.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 44 mSDtfsCounter, 607 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 468 SyntacticMatches, 30 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3560 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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: 10]: 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: (((x <= 2147483647) && (0 <= (y + 2147483648))) || ((0 <= (((long) x + y) + 2147483646)) && (x <= 2147483647))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.53ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.21ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 772.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.97ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.9MB in the end (delta: 472.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.38ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 96.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4548.08ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 106.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.18ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 101.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:51:07,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e5197a2-ecb7-4683-856f-090478b6cf3c/bin/ukojak-verify-ENZ3QT5qd3/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