./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/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_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09575df3d22e9082519fef8b3f639469f79418a93deb54dd64ac9991de61e42a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:52:01,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:52:01,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:52:01,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:52:01,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:52:01,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:52:01,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:52:01,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:52:01,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:52:01,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:52:01,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:52:01,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:52:01,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:52:01,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:52:01,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:52:01,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:52:01,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:52:01,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:52:01,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:52:01,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:52:01,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:52:01,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:52:01,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:52:01,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:52:01,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:52:01,765 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_d436ba1c-55eb-435c-a37a-edae35c4169d/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 ! call(reach_error())) ) 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 -> 09575df3d22e9082519fef8b3f639469f79418a93deb54dd64ac9991de61e42a [2024-11-13 16:52:02,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:52:02,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:52:02,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:52:02,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:52:02,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:52:02,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i Unable to find full path for "g++" [2024-11-13 16:52:03,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:52:04,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:52:04,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-11-13 16:52:04,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/data/f5e46e76c/ac09229fce814ea69f0e3f282ddf332f/FLAG20bb6f016 [2024-11-13 16:52:04,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/data/f5e46e76c/ac09229fce814ea69f0e3f282ddf332f [2024-11-13 16:52:04,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:52:04,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:52:04,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:52:04,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:52:04,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:52:04,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19984c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04, skipping insertion in model container [2024-11-13 16:52:04,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:52:04,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-11-13 16:52:04,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:52:04,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:52:04,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-11-13 16:52:04,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:52:04,498 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:52:04,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04 WrapperNode [2024-11-13 16:52:04,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:52:04,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:52:04,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:52:04,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:52:04,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,526 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-13 16:52:04,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:52:04,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:52:04,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:52:04,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:52:04,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:52:04,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:52:04,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:52:04,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:52:04,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:52:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:52:04,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:52:04,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:52:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:52:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:52:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:52:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:52:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:52:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:52:04,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:52:04,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:52:04,804 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:52:04,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:52:04,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:52:04,874 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:52:04,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04 BoogieIcfgContainer [2024-11-13 16:52:04,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:52:04,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:52:04,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:52:04,885 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:52:04,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04" (1/1) ... [2024-11-13 16:52:04,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:52:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 16:52:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 16:52:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:52:04,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:05,113 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 16:52:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:52:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:52:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:52:05,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:05,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:52:05,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:05,393 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 16:52:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 16:52:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 16:52:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:52:05,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:05,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 16:52:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 16:52:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:52:06,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:06,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 16:52:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 16:52:07,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:52:07,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:07,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:52:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:07,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:52:07,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-13 16:52:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-13 16:52:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:52:09,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:20,431 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:52:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:52:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 25 transitions. [2024-11-13 16:52:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 16:52:25,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:52:25,424 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 16:52:25,434 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:52:26,394 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:52:26,394 INFO L77 FloydHoareUtils]: At program point L48(line 48) the Hoare annotation is: true [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point L38-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 37) the Hoare annotation is: (let ((.cse0 (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1)) (.cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| |ULTIMATE.start_main_~b~0#1|) .cse2) (and (<= (+ |ULTIMATE.start_main_~b~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (+ (mod |ULTIMATE.start_main_~r~0#1| 4294967296) 1 (div |ULTIMATE.start_main_~b~0#1| 2))) .cse0 .cse1 (<= (div |ULTIMATE.start_main_~B~0#1| 4294967296) 0) .cse2 (<= |ULTIMATE.start_main_~b~0#1| (+ |ULTIMATE.start_main_~B~0#1| 1)) (= 2 |ULTIMATE.start_main_~b~0#1|)))) [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point L43-2(lines 38 47) the Hoare annotation is: true [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-11-13 16:52:26,395 INFO L77 FloydHoareUtils]: At program point L39-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1)) (.cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| |ULTIMATE.start_main_~b~0#1|) .cse2) (and (<= (+ |ULTIMATE.start_main_~b~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (+ (mod |ULTIMATE.start_main_~r~0#1| 4294967296) 1 (div |ULTIMATE.start_main_~b~0#1| 2))) .cse0 .cse1 (<= (div |ULTIMATE.start_main_~B~0#1| 4294967296) 0) .cse2 (<= |ULTIMATE.start_main_~b~0#1| (+ |ULTIMATE.start_main_~B~0#1| 1)) (= 2 |ULTIMATE.start_main_~b~0#1|)))) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: true [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point L19(lines 19 22) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 16:52:26,396 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: true [2024-11-13 16:52:26,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:52:26 ImpRootNode [2024-11-13 16:52:26,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:52:26,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:52:26,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:52:26,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:52:26,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:52:04" (3/4) ... [2024-11-13 16:52:26,420 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:52:26,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:52:26,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 16:52:26,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 16:52:26,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:52:26,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:52:26,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:52:26,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:52:26,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:52:26,512 INFO L158 Benchmark]: Toolchain (without parser) took 22291.19ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 63.7MB in the end (delta: 55.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-13 16:52:26,512 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:26,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:26,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:26,514 INFO L158 Benchmark]: Boogie Preprocessor took 15.28ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 733.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:52:26,515 INFO L158 Benchmark]: RCFGBuilder took 331.72ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:52:26,515 INFO L158 Benchmark]: CodeCheck took 21540.53ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 67.7MB in the end (delta: 25.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:26,516 INFO L158 Benchmark]: Witness Printer took 94.82ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 63.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:52:26,519 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 491 IncrementalHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 114 mSDtfsCounter, 491 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 711 SyntacticMatches, 12 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2199 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 3 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 18/29 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((b == 1) && (A <= 1)) && (q == 0)) && (B == b)) && (A == r)) || (((((((((long long) b + B) <= (((long long) r + 1) + (b / 2))) && (A <= 1)) && (q == 0)) && (0 <= 0)) && (A == r)) && (b <= ((long long) B + 1))) && (2 == b))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.28ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 733.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.72ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21540.53ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 67.7MB in the end (delta: 25.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 94.82ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 63.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:52:26,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d436ba1c-55eb-435c-a37a-edae35c4169d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE