./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra5-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_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/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_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/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_9e7ba732-5659-4e35-8123-e337ebc600b1/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 1311e92b010f06e52be84ec52b75ec93594134b7a325e76c2963ae3ac9ab2bc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:11:43,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:11:43,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:11:43,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:11:43,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:11:43,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:11:43,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:11:43,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:11:43,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:11:43,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:11:43,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:11:43,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:11:43,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:11:43,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:11:43,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:11:43,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:11:43,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:43,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:11:43,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:11:43,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:11:43,366 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:11:43,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:11:43,367 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_9e7ba732-5659-4e35-8123-e337ebc600b1/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 -> 1311e92b010f06e52be84ec52b75ec93594134b7a325e76c2963ae3ac9ab2bc2 [2024-11-13 22:11:43,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:11:43,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:11:43,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:11:43,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:11:43,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:11:43,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c Unable to find full path for "g++" [2024-11-13 22:11:45,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:11:45,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:11:45,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c [2024-11-13 22:11:45,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/data/d3d7d9e45/9b191989648a4f679189002b9b5a7d60/FLAG88c8417b8 [2024-11-13 22:11:45,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/data/d3d7d9e45/9b191989648a4f679189002b9b5a7d60 [2024-11-13 22:11:45,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:11:45,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:11:45,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:45,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:11:45,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:11:45,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:45" (1/1) ... [2024-11-13 22:11:45,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c9407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:45, skipping insertion in model container [2024-11-13 22:11:45,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:45" (1/1) ... [2024-11-13 22:11:45,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:11:46,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:46,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:11:46,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:46,178 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:11:46,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46 WrapperNode [2024-11-13 22:11:46,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:46,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:46,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:11:46,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:11:46,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,220 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2024-11-13 22:11:46,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:46,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:11:46,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:11:46,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:11:46,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:11:46,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:11:46,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:11:46,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:11:46,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:46,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:11:46,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:11:46,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:11:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:11:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:11:46,399 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:11:46,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:11:47,277 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-13 22:11:47,277 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:11:47,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:11:47,300 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:11:47,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:47 BoogieIcfgContainer [2024-11-13 22:11:47,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:11:47,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:11:47,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:11:47,312 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:11:47,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:47" (1/1) ... [2024-11-13 22:11:47,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:11:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2024-11-13 22:11:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2024-11-13 22:11:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:11:47,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 127 states and 131 transitions. [2024-11-13 22:11:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2024-11-13 22:11:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:11:47,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2024-11-13 22:11:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2024-11-13 22:11:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:11:47,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2024-11-13 22:11:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2024-11-13 22:11:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:11:47,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2024-11-13 22:11:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2024-11-13 22:11:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:11:47,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2024-11-13 22:11:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2024-11-13 22:11:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:11:48,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 140 states and 154 transitions. [2024-11-13 22:11:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2024-11-13 22:11:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:11:48,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 142 states and 156 transitions. [2024-11-13 22:11:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 156 transitions. [2024-11-13 22:11:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:11:48,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 143 states and 157 transitions. [2024-11-13 22:11:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2024-11-13 22:11:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:11:48,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 144 states and 158 transitions. [2024-11-13 22:11:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2024-11-13 22:11:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:11:48,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 145 states and 159 transitions. [2024-11-13 22:11:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 159 transitions. [2024-11-13 22:11:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:11:48,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 152 states and 166 transitions. [2024-11-13 22:11:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2024-11-13 22:11:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:11:48,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 153 states and 167 transitions. [2024-11-13 22:11:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 167 transitions. [2024-11-13 22:11:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:11:48,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:49,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:49,038 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-11-13 22:11:49,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:11:49 ImpRootNode [2024-11-13 22:11:49,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:11:49,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:11:49,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:11:49,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:11:49,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:47" (3/4) ... [2024-11-13 22:11:49,082 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:11:49,127 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:11:49,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:11:49,130 INFO L158 Benchmark]: Toolchain (without parser) took 3248.98ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 395.4MB in the beginning and 69.1MB in the end (delta: 326.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-13 22:11:49,130 INFO L158 Benchmark]: CDTParser took 3.60ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:49,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.71ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 395.2MB in the beginning and 108.0MB in the end (delta: 287.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:11:49,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.05ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:49,131 INFO L158 Benchmark]: Boogie Preprocessor took 37.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:49,134 INFO L158 Benchmark]: RCFGBuilder took 1037.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 80.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:11:49,134 INFO L158 Benchmark]: CodeCheck took 1778.76ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 70.9MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-13 22:11:49,134 INFO L158 Benchmark]: Witness Printer took 46.61ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 69.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:49,136 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, 128 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 822 IncrementalHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 136 mSDtfsCounter, 822 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 806 GetRequests, 755 SyntacticMatches, 33 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 [h=0, n=-536870913, p=0, q=1, r=-536870913] [L40] COND TRUE q > n VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR h * h VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR h * h * p VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h * n VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h * n * q VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] h * h * p - 4 * h * n * q VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] 4 * n VAL [h=0, p=0, q=1, r=-536870913] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.60ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.71ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 395.2MB in the beginning and 108.0MB in the end (delta: 287.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.05ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1037.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 80.4MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1778.76ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 70.9MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 46.61ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 69.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:11:49,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7ba732-5659-4e35-8123-e337ebc600b1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)