./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC7.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_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/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_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/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_35e098d4-9f72-4a1d-9362-a86c308492a3/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 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:59:42,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:59:42,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:59:42,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:59:42,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:59:42,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:59:42,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:59:42,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:59:42,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:59:42,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:59:42,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:59:42,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:59:42,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:59:42,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:59:42,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:59:42,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:59:42,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:59:42,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:59:42,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:59:42,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:59:42,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:59:42,170 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:59:42,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:59:42,170 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_35e098d4-9f72-4a1d-9362-a86c308492a3/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 -> 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 [2024-11-25 04:59:42,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:59:42,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:59:42,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:59:42,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:59:42,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:59:42,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-restricted-15/PastaC7.c [2024-11-25 04:59:45,857 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/data/5d95885b0/4f07306162774bda97899e4123da004c/FLAGf9c6d3c82 [2024-11-25 04:59:46,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:59:46,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/sv-benchmarks/c/termination-restricted-15/PastaC7.c [2024-11-25 04:59:46,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/data/5d95885b0/4f07306162774bda97899e4123da004c/FLAGf9c6d3c82 [2024-11-25 04:59:46,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/data/5d95885b0/4f07306162774bda97899e4123da004c [2024-11-25 04:59:46,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:59:46,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:59:46,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:46,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:59:46,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:59:46,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328eca9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46, skipping insertion in model container [2024-11-25 04:59:46,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:59:46,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:46,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:59:46,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:46,455 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:59:46,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46 WrapperNode [2024-11-25 04:59:46,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:46,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:46,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:59:46,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:59:46,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,493 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-25 04:59:46,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:46,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:59:46,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:59:46,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:59:46,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,509 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:59:46,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:59:46,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:59:46,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:59:46,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:59:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:59:46,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:59:46,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:59:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:59:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:59:46,698 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:59:46,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:59:46,801 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 04:59:46,801 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:59:46,831 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:59:46,831 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:59:46,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:46 BoogieIcfgContainer [2024-11-25 04:59:46,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:59:46,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:59:46,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:59:46,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:59:46,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:46" (1/1) ... [2024-11-25 04:59:46,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:59:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 04:59:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 04:59:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:59:46,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:59:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:47,175 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 04:59:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 04:59:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 04:59:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:59:47,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:59:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:47,432 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 04:59:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:59:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:59:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:59:47,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:59:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:47,858 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 04:59:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 04:59:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 04:59:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:59:48,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:48,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:59:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:48,252 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 04:59:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 04:59:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 04:59:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:59:48,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:59:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:59:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-25 04:59:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-25 04:59:49,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:59:49,164 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:59:49,173 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 04:59:49,216 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-25 04:59:49,216 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:59:49,216 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 04:59:49,216 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~k~0#1|)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~j~0#1|))) [2024-11-25 04:59:49,216 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~j~0#1|))) [2024-11-25 04:59:49,217 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:59:49,217 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-25 04:59:49,217 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 04:59:49,217 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~k~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) [2024-11-25 04:59:49,217 INFO L77 FloydHoareUtils]: At program point L16-1(line 16) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~k~0#1|)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) [2024-11-25 04:59:49,217 INFO L77 FloydHoareUtils]: At program point L14-3(lines 14 18) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) [2024-11-25 04:59:49,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:59:49 ImpRootNode [2024-11-25 04:59:49,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:59:49,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:59:49,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:59:49,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:59:49,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:46" (3/4) ... [2024-11-25 04:59:49,233 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:59:49,239 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 04:59:49,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 04:59:49,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 04:59:49,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:59:49,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:59:49,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:59:49,326 INFO L158 Benchmark]: Toolchain (without parser) took 3153.47ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 84.6MB in the end (delta: 32.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-25 04:59:49,326 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:49,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.69ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 107.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:59:49,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:49,327 INFO L158 Benchmark]: Boogie Preprocessor took 29.09ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.8MB in the end (delta: 574.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:49,327 INFO L158 Benchmark]: RCFGBuilder took 306.00ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:59:49,328 INFO L158 Benchmark]: CodeCheck took 2396.84ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 88.7MB in the end (delta: 7.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-25 04:59:49,328 INFO L158 Benchmark]: Witness Printer took 93.11ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 84.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:49,333 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: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 0 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 162 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 14]: Loop Invariant Derived loop invariant: ((0 <= (j + 2147483648)) && (k <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.69ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 107.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.09ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.8MB in the end (delta: 574.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.00ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2396.84ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 88.7MB in the end (delta: 7.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 93.11ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 84.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:59:49,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e098d4-9f72-4a1d-9362-a86c308492a3/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