./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/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_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/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 32bit --witnessprinter.graph.data.programhash 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:19:45,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:19:45,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 23:19:45,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:19:45,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:19:45,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:19:45,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:19:45,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:19:45,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:19:45,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:19:45,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:19:45,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:19:45,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:19:45,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:19:45,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:19:45,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:19:45,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:19:45,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:19:45,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:19:45,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:19:45,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:19:45,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:19:45,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:19:45,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:45,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:19:45,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:19:45,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:19:45,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:19:45,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:19:45,450 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_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d [2024-11-13 23:19:45,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:19:45,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:19:45,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:19:45,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:19:45,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:19:45,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c Unable to find full path for "g++" [2024-11-13 23:19:47,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:19:48,176 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:19:48,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2024-11-13 23:19:48,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/data/848dda3eb/6cd21918f5ef4ae1b55c16302b50692b/FLAGa9e5c1c17 [2024-11-13 23:19:48,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/data/848dda3eb/6cd21918f5ef4ae1b55c16302b50692b [2024-11-13 23:19:48,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:19:48,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:19:48,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:48,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:19:48,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:19:48,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f219be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48, skipping insertion in model container [2024-11-13 23:19:48,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:19:48,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:48,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:19:48,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:48,503 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:19:48,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48 WrapperNode [2024-11-13 23:19:48,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:48,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:48,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:19:48,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:19:48,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,549 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2024-11-13 23:19:48,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:48,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:19:48,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:19:48,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:19:48,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:19:48,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:19:48,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:19:48,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:19:48,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:48" (1/1) ... [2024-11-13 23:19:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:19:48,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:19:48,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:19:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:19:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:19:48,717 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:19:48,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:49,126 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:49,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:49,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:49,150 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:19:49,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:49 BoogieIcfgContainer [2024-11-13 23:19:49,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:49,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:49,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:49,164 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:49,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:49" (1/1) ... [2024-11-13 23:19:49,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2024-11-13 23:19:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2024-11-13 23:19:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:19:49,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:49,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:49,375 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 23:19:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2024-11-13 23:19:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2024-11-13 23:19:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:19:49,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:49,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:49,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:19:49,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:49,470 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 23:19:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2024-11-13 23:19:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-11-13 23:19:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:19:49,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:49,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:19:49,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:49,620 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 23:19:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2024-11-13 23:19:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2024-11-13 23:19:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:19:49,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:49,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:49,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:19:49,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:49,932 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 23:19:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2024-11-13 23:19:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2024-11-13 23:19:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:19:50,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:50,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:19:50,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:50,445 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 23:19:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2024-11-13 23:19:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2024-11-13 23:19:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:19:50,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:50,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:50,765 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 23:19:50,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:19:50 ImpRootNode [2024-11-13 23:19:50,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:19:50,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:19:50,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:19:50,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:19:50,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:49" (3/4) ... [2024-11-13 23:19:50,791 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:19:50,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:19:50,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:19:50,836 INFO L158 Benchmark]: Toolchain (without parser) took 2610.38ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 64.4MB in the end (delta: 27.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-13 23:19:50,836 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:50,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.23ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.7MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:19:50,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:50,838 INFO L158 Benchmark]: Boogie Preprocessor took 37.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.8MB in the end (delta: 471.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:50,841 INFO L158 Benchmark]: RCFGBuilder took 560.91ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 63.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:19:50,842 INFO L158 Benchmark]: CodeCheck took 1636.74ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 65.8MB in the end (delta: -2.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-13 23:19:50,842 INFO L158 Benchmark]: Witness Printer took 45.97ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:50,844 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, 64 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 46 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L40] COND TRUE q > n VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR p * p VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR n * q VAL [n=-2147483648, p=0, q=1, r=-2147483648] [L41] p * p - n * q VAL [r=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.23ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.7MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.54ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.8MB in the end (delta: 471.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.91ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 63.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1636.74ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 65.8MB in the end (delta: -2.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 45.97ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:19:50,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23cf3d8-b49d-4ff1-b2b5-8364d7cdeb19/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)